<ul class="summary-list"><li>US officials are mulling a national security review of Elon Musk's Twitter deal, Bloomberg reported.</li><li>President Biden could block the acquisition if a formal review recommends he does so.</li></ul>The US government is considering national security reviews of some of Elon Musk's ventures, including his Twitter takeover deal, <a href="https://www.bloomberg.com/news/articles/2022-10-21/us-weighs-security-reviews-for-musk-deals-including-twitter-buy">Bloomberg</a> reported Thursday, citing people with knowledge of the matter.Musk's plans to purchase Twitter for $44 billion with the help of foreign investors, including Saudi Arabia's Prince Alwaleed bin Talal, Qatar's sovereign wealth fund, and Binance Holdings — which was founded by a Chinese businessman — have concerned Biden administration officials, the people told Bloomberg.Officials are considering which tools they could use to review Musk's ventures, including action by the Committee on Foreign Investment in the US (CFIUS), which reviews foreign takeovers of American businesses, per Bloomberg.CFIUS carries out security reviews if a "transaction threatens to impair the national security of the United States," according to <a href="https://www.ecfr.gov/current/title-31/subtitle-B/chapter-VIII/part-800/subpart-E/section-800.508">federal regulations</a>. When reviewing a transaction, the CFIUS can recommend to the president that a deal be suspended or prohibited, per the regulations.If the Twitter acquisition was to be reviewed by CFIUS for national security reasons, the agency could recommend to President Biden that he nix the deal — something Musk himself has tried and failed to do in recent months.Presidents have killed deals in the past on the recommendation of CFIUS. In 2019, former president Donald Trump blocked Beijing Shiji Information Technology Co's attempts to acquire hotel management platform StayNTouch after a recommendation from CFIUS. After initially offering to buy Twitter in April, Musk tried to <a href="https://www.businessinsider.com/read-elon-musk-letter-to-twitter-deal-is-off-2022-7">back out of the deal</a>, claiming the social-media platform had failed to comply with its obligation to disclose the number of bots on the platform. Shortly after his reversal on the acquisition, <a href="https://www.businessinsider.com/twitter-upper-hand-elon-musk-court-battle-hearing-2022-7">Twitter sued Musk</a>, accusing him of not honoring his obligations. The billionaire in October offered again to buy Twitter for $44 billion.Twitter shares fell 13% in premarket trading Friday after Bloomberg's report Thursday.A Twitter user replied to a post about the Bloomberg article saying "it would be hysterical if the government stopped Elon from over paying for Twitter." Musk <a href="https://twitter.com/elonmusk/status/1583264626053042176?s=20&amp;t=1CuComFXFVjpD0TIyx3bzA">replied</a> to the tweet with the "100" emoji and a rolling-on-the-floor-laughing emoji."Consistent with law and practice, CFIUS does not publicly comment on transactions that it may or may not be reviewing," a government spokesperson told Insider.Bloomberg reported the people with knowledge of the discussions around security reviews as saying that talks were at an early stage.SpaceX's Starlink internet network could also be subjected to a national security review, the same people reportedly said.Biden officials were concerned after Musk tweeted a <a href="https://twitter.com/elonmusk/status/1576969255031296000?s=20&amp;t=1CuComFXFVjpD0TIyx3bzA">peace plan</a> that seemed to <a href="https://www.businessinsider.com/ukraine-ambassador-elon-musk-russia-crimea-twitter-poll-response-2022-10">parrot the Kremlin's talking points.</a> It also followed SpaceX's warning that the company might have to <a href="https://www.businessinsider.com/spacex-elon-musk-fund-starlink-ukraine-asks-pentagon-pay-2022-10">stop providing Starlink to Ukraine</a>, per Bloomberg.

The US government is considering a national security review of Elon Musk's $44 billion Twitter acquisition, report says. If it happens, Biden could ultimately kill the deal.

<ul class="summary-list"><li>Terraform Labs has switched off the network that runs the <keyword id="13891032" type="UNKNOWN" weightage="60" keywordseo="terrausd" source="Orion">TerraUSD</keyword> and <keyword id="12663761" type="UNKNOWN" weightage="60" keywordseo="luna" source="Orion">luna</keyword> tokens, after both crashed dramatically.</li><li>The organization said it was trying to come up with solutions to the problem after one of the biggest collapses in crypto history.</li></ul>After the dramatic collapse in the cryptocurrencies TerraUSD and luna, administrators responded overnight by pausing the network and then resuming it — effectively turning the computer off and on again.But the move could not stem the plunge in luna, which crashed to effectively zero.Terraform Labs, the company behind the crypto project, has now completely switched off the network, in agreement with "validators" who oversee transactions.The company <a href="https://twitter.com/terra_money/status/1524935730308456448?s=20&amp;t=LxLRpBA40lFUQvNR_7UDBQ">said on Twitter</a> it is trying to come up with a plan to save the project and that it would update worried investors soon.Will Chen, a crypto developer connected to Terra, said the network's members were trying to come up with solutions to "salvage the remaining value in the ecosystem."Major crypto exchange Binance suspended trading in TerraUSD, also called <keyword id="13898772" type="UNKNOWN" weightage="60" keywordseo="ust" source="Orion">UST</keyword>, and luna. Other exchanges continued to allow investors to trade the cryptos, although the suspension of the network means the trades may not be settled.It caps a <a href="https://markets.businessinsider.com/news/currencies/luna-terra-stablecoin-price-crypto-crash-dollar-2022-5">tumultuous few days</a> for the <keyword id="11892695" type="UNKNOWN" weightage="60" keywordseo="cryptocurrency" source="Orion">cryptocurrency</keyword> project.Before it came undone, TerraUSD was the world's third-largest stablecoin — a type of cryptocurrency that is designed to always be worth $1. Stablecoins are widely used by crypto investors as places to store money while they trade.But TerraUSD "depegged" from the dollar at the weekend during a turbulent period for digital assets and financial <keyword id="11893875" type="UNKNOWN" weightage="100" keywordseo="markets" source="Orion">markets</keyword> more generally.The depegging and <a href="https://markets.businessinsider.com/news/currencies/terra-ust-peg-dollar-luna-algorithmic-stablecoins-cryptocurrencies-bitcoin-markets-2022-5">weaknesses in the token's design</a> triggered a loss of confidence in the project which also dragged down its sister cryptocurrency, luna, which is free-floating.TerraUSD last traded at around $0.15 early Friday morning, far off the $1 mark. The stablecoin's market capitalization plunged from $18.6 billion to less than $2 billion within a week.Luna had plunged effectively 100% from over $80 a token a week ago to zero as of Friday, destroying around $28 billion worth of value in a matter of days.Terra's failure sent shockwaves across the <keyword id="11909331" type="UNKNOWN" weightage="60" keywordseo="crypto-market" source="Orion">crypto market</keyword>, contributing to sharp falls in <a href="https://markets.businessinsider.com/currencies/btc-usd">bitcoin</a> and <a href="https://markets.businessinsider.com/currencies/eth-usd">ethereum</a> on Thursday. Both cryptos rebounded by around 10% on Friday, however."There could be significant negative repercussions for cryptocurrencies and digital finance if investors lose confidence in stablecoins," Monsur Hussain, an analyst at Fitch Ratings, said.Yet he added: "Links between crypto markets and regulated financial markets remain weak. We expect this to limit the potential for crypto market volatility to spill over and cause wider financial instability."Read more: <a href="https://www.businessinsider.com/luna-crypto-market-crash-volatility-trading-strategy-ust-terra-qcp-2022-5" target="_blank" rel="noopener noreferrer">A crypto trading behemoth lays out how UST remains a 'material tail risk' that could continue to send prices falling through a 3-part self-destructive cycle — and 2 ways its positioning for further volatility ahead of a key market event</a>

As Terra's stablecoin collapses and luna hits zero, the crypto project simply switches off its network

<ul class="summary-list"><li><keyword id="12507550" type="UNKNOWN" weightage="60" keywordseo="terra" source="Orion">Terra</keyword>'s <keyword id="12663761" type="UNKNOWN" weightage="60" keywordseo="luna" source="Orion">luna</keyword> <keyword id="11893898" type="UNKNOWN" weightage="60" keywordseo="crypto" source="Orion">crypto</keyword> crashed by 45% on Tuesday, after the network's <keyword id="11931191" type="UNKNOWN" weightage="60" keywordseo="stablecoin" source="Orion">stablecoin</keyword> lost its dollar peg again.</li><li>Over the weekend, hefty selling drove TerraUSD below the $1 mark.</li></ul>Terra Network's <a href="https://markets.businessinsider.com/currencies/luna-usd">luna</a> token plunged by as much as 61% on Tuesday, after sister stablecoin TerraUSD lost its peg to the <a href="https://markets.businessinsider.com/index/us-dollar-index">dollar</a> for the second time in as many days.TerraUSD is an algorithmic stablecoin whose value is fixed to $1. Unlike traditional stablecoins that are backed up by fiat currency and hard assets — including government bonds or even gold — UST, as it's known, has its value set by a computer algorithm. When UST falls below $1, traders can "burn" coins, which removes them from circulation, in exchange for $1 of luna, the network's sister token. This restricts UST's supply, which then raises its value again. If UST rises above $1, traders then sell luna to convert into UST, which pushes its price down.Over the weekend, hefty selling of UST forced its value below $1, exacerbating the downdraft and prompting developer group Luna Foundation Group (LFG) to step in and pledge to shore up the stablecoin. But intense volatility across the broader financial <keyword id="11893875" type="UNKNOWN" weightage="100" keywordseo="markets" source="Orion">markets</keyword> on Monday, caused by investors fretting about the outlook for surging interest rates and inflation, hit the <keyword id="11909331" type="UNKNOWN" weightage="60" keywordseo="crypto-market" source="Orion">crypto market</keyword>. UST decoupled from the dollar again, leaving the luna token in freefall on Tuesday. Luna was last down 48% at $31.89 in early European trade, having hit an overnight low of $24.14, according to CoinMarketCap. UST, meanwhile, was holding at $0.9196, having plunged to just $0.68 overnight."Over the past several days, market volatility across crypto assets has been significant. The market turmoil is also reflected by the past week's uncertain macro conditions across legacy asset classes," LFG <a href="https://twitter.com/LFG_org/status/1523512196965167104?s=20&amp;t=8oHQA5qfXPBhz-5jCdBS-A">tweeted</a> Monday."Per the LFG's mandate, the LFG will proactively defend the stability of the $UST peg &amp; broader Terra economy, especially under volatility and the uncertainty of macro conditions in legacy markets," the group said. LFG <a href="https://www.prweb.com/releases/lfg_closes_1_5_billion_otc_deal_of_ust_for_btc_with_genesis_and_three_arrows_capital_3ac_for_the_ust_forex_reserve/prweb18654486.htm">said</a> Tuesday it would inject $1 billion worth of <keyword id="11893902" type="UNKNOWN" weightage="60" keywordseo="bitcoin" source="Orion">bitcoin</keyword>, together with more funds from other cryptocurrencies, to support UST.Last week, LFG <a href="https://twitter.com/LFG_org/status/1522234947070689280">announced</a> it had bought $1.5 billion worth of bitcoin to add to its reserves. It has said in the past it intends to acquire $10 billion in bitcoin for its reserves."For the first time, you're starting to see a pegged currency that is attempting to observe the bitcoin standard," Terra Labs' co-founder and CEO Do Kwon said after LFG's announcement last week.However, algorithmic stablecoins are controversial even within the crypto community. "It's a lot more dangerous than taking a T-bill and tokenizing it," Charles Cascarilla, chief executive of Paxos, <a href="https://www.wsj.com/articles/cutting-edge-crypto-coins-tout-stability-critics-call-them-dangerous-11650226597">told</a> the Wall Street Journal last month. Paxos issues Binance USD, a stablecoin that's backed by monetary assets. The Federal Reserve also sounded a note of caution on stablecoins in a report published Monday. It said the risk of sudden redemptions of stablecoins is similar to those of money-market funds."These vulnerabilities may be exacerbated by a lack of transparency regarding the riskiness and liquidity of assets backing stablecoins," it <a href="https://www.federalreserve.gov/publications/files/financial-stability-report-20220509.pdf">said.</a>As UST began to tumble over the weekend, multiple crypto observers witnessed large withdrawals of the token from Anchor Protocol, which acts like a bank for UST. One big holder dumped $285 million worth of of the token, crypto news site CoinTelegraph <a href="https://cointelegraph.com/news/luna-drops-20-in-a-day-as-whale-dumps-terra-s-ust-stablecoin-selloff-risks-ahead">reported</a>.LFG <a href="https://twitter.com/LFG_org/status/1523512201088143360">said in a tweet</a> Monday that it would lend bitcoin to trading firms. "Deploying more capital steady lads," Do Kwon tweeted after.This in turn has weighed heavily on bitcoin, which has dropped below $30,000 for the first time since last July. It's lost 33% already this year and is more than 60% below its all-time high of $69,000 from last November. Crypto exchange Binance temporarily paused withdrawals of luna and UST on the Terra network early Tuesday due to a high number of withdrawl orders. It has now resumed the service, which was suspended for more than six hours, but said it would continue to monitor network conditions.<a href="https://www.businessinsider.com/how-to-invest-in-twitter-after-takeover-elon-musk-private-2022-5" target="_blank" rel="noopener noreferrer">Read more: Hacks are forcing investors to deal with managing protocols that become 'too big to fail,' says a partner at a $1 billion crypto asset manager. He shares how the rise of crypto 'honeypots' and nefarious actors shape how he invests.</a>

Terra's luna dives 45% after the network's stablecoin lost its dollar peg again, adding to the pressure on bitcoin

<ul class="summary-list"><li><keyword id="12204684" type="UNKNOWN" weightage="60" keywordseo="ken-griffin" source="Orion">Ken Griffin</keyword>'s net worth has jumped $6.5 billion after <keyword id="12204683" type="UNKNOWN" weightage="60" keywordseo="citadel-securities" source="Orion">Citadel Securities</keyword> was valued at $22 billion.</li><li>Griffin has sold a stake in <keyword id="12204682" type="UNKNOWN" weightage="60" keywordseo="citadel" source="Orion">Citadel</keyword>, a market-maker, for $1.15 billion to <keyword id="12116150" type="UNKNOWN" weightage="60" keywordseo="sequoia" source="Orion">Sequoia</keyword> and <keyword id="12939166" type="UNKNOWN" weightage="60" keywordseo="paradigm" source="Orion">Paradigm</keyword>.</li></ul>Citadel founder Ken Griffin's net worth has jumped by $6.5 billion, making him the third-richest person in finance, following a deal to sell a stake in his market-making company to a pair of investment firms. Citadel Securities is reportedly <a href="https://markets.businessinsider.com/news/funds/citadel-securities-receives-first-outside-investment-sequoia-22-billion-valuation-2022-1">selling a $1.15 billion stake</a> to Sequoia and Paradigm, valuing the market maker at around $22 billion. It is the company's first outside investment.<a href="https://www.bloomberg.com/news/articles/2022-01-11/griffin-fortune-soars-to-28-billion-on-citadel-securities-deal">Bloomberg</a> and its <a href="https://www.bloomberg.com/billionaires/">Billionaires Index</a> estimate that Griffin will own about 80% of the company after the sale, a stake worth $17.5 billion.When his wealth from the Citadel hedge fund and other ventures is bundled in, Bloomberg reckons Griffin is worth $27.6 billion. That's around $6.5 billion more than its previous estimate.It puts Griffin third on the list of <keyword id="11940268" type="UNKNOWN" weightage="60" keywordseo="billionaires" source="Orion">billionaires</keyword> who made their money primarily through the finance industry, behind <a href="https://markets.businessinsider.com/news/bonds/binance-cz-changpeng-zhao-net-worth-crypto-billionaires-exchanges-bitcoin-2022-1">Binance founder Changpeng Zhao</a> and Blackstone founder Stephen Schwarzman. But investors beyond Wall Street, such as Warren Buffett and Carlos Slim, rank higher in wealth.The increase saw Griffin overtake activist investor Carl Icahn and Renaissance Capital boss Jim Simons.Read more: <a href="https://www.businessinsider.com/stock-market-investing-strategy-sector-ideas-recommendations-inflation-value-growth-2022-1?r=US&amp;IR=T">A 23-year market veteran shares the 5 best pockets of the market to hide in during the growth stock bloodbath — and why inflation and Omicron fears are overblown</a>Griffin founded Citadel Securities in 2001 as a separate market-making business from his giant hedge fund Citadel.It has since come to dominate the world of market-making, in which firms sit between buyers and sellers of <keyword id="11893878" type="UNKNOWN" weightage="60" keywordseo="stocks" source="Orion">stocks</keyword>, creating liquidity and making money from price differentials.The boom in amateur investing during the coronavirus crisis has been especially profitable for Citadel Securities, which says it <a href="https://www.citadelsecurities.com/products/equities-and-options/#:~:text=Our%20automated%20equities%20platform%20trades,top%20wholesale%20market%20maker2.">executes 37%</a> of all US retail trades.The business found itself at the center of the GameStop frenzy in January 2021, when many retail investors <a href="https://markets.businessinsider.com/news/stocks/gamestop-lawsuit-robinhood-citadel-gamestop-reddit-wallstreetbets-federal-court-dismissed-2021-11">accused Citadel Securities of pressuring Robinhood</a> to suspend trading in the meme stock.Yet expert witnesses, including Griffin, testified to Congress that Citadel Securities played no role in Robinhood's move.Griffin, a prominent collector, recently used some of his immense wealth to <a href="https://markets.businessinsider.com/news/currencies/ken-griffin-us-constitution-outbid-crypto-group-constitutiondao-43-million-2021-11">buy a copy of the US Constitution</a> for $43.2 million in an auction at Sotheby's. He outbid a group of crypto fans, known as ConstitutionDAO, who had put together money in an effort to buy the document.

Ken Griffin's net worth jumps $6.5 billion after huge Citadel deal — making him the 3rd-richest person in finance with $28 billion

<ul class="summary-list"><li><keyword id="6354947" type="UNKNOWN" weightage="60" keywordseo="bitcoin">Bitcoin</keyword> fell below $32,000 for the first time since January on Sunday.</li><li><keyword id="2721952" type="PERSON" weightage="60" keywordseo="crypto">Crypto</keyword> miners in <keyword id="1334" type="COUNTRY" weightage="60" keywordseo="China">China</keyword> halted operations as the government continued its crypto crackdown. </li><li>Bitcoin fell as much as 43% since reaching a record high of over $64,000 in April. </li></ul>Bitcoin fell to a four-month low of $31,390 on Sunday, according to CoinGecko data, after crypto miners halted operations in China. The <keyword id="6357017" type="DEFINITION" weightage="60" keywordseo="cryptocurrency">cryptocurrency</keyword> had last traded below $32,000 in January of this year. The fall marked a decline of 51.9% from bitcoin's all-time high of $64,829, which the cryptocurrency reached in April. Bitcoin started to recover on Monday morning and rose by 2.5% to $36,604 in the 24 hours to 4:05 am E.T., but still traded 43.5% lower than its all-time high. Major crypto-mining operators including Huobi Mall and BTC.TOP said they would halt and scale back some of their services and operations in China, after news of a continued regulatory crackdown in the country broke on Friday. Chinese Vice Premier Liu He and the State Council <a href="https://markets.businessinsider.com/currencies/news/bitcoin-price-reaction-china-reiterates-crypto-mining-trading-crackdown-2021-5-1030455767">called for limits on crypto mining and trading</a> late on Friday local time. Bitcoin fell as much as 11% on the day.Huobi Mall, part of crypto exchange Huobi, said that its custody services were suspended - meaning that it has limited the use of its products and services for third parties and they are no longer able to use Huobi Mall's hosting capabilities. Further, it will stop selling mining machines and hosting services to those based in mainland China. <keyword id="6289215" type="UNKNOWN" weightage="60" keywordseo="Crypto-Mining">Crypto mining</keyword> pool BTC.TOP said it would halt its China-based mining activities due to regulatory concerns and focus on North America instead. China is currently the world's largest bitcoin mining location, accounting for over 65% of mining according to the <a href="https://cbeci.org/mining_map">Cambridge Centre for Alternative Finance</a>. The country has previously stated it would target crypto as part of its pledge to reduce carbon emissions, as the mining process consumes extensive amounts of electricity - each purchase or sale drives up energy consumption. Tighter regulations are viewed as one approach to lowering the related energy expenditure as they limit the amount of transactions made. Bitcoin and cryptocurrencies more widely have been affected by changing regulations as well as heated social media discussions and business developments, such as Tesla suspending bitcoin payments over environmental concerns, over the past few weeks. Bitcoin itself has lost 36.8% over the past two weeks, whilst the second largest cryptocurrency ether has lost over 40% in that time and Binance's bnb coin lost almost 56% according to <a href="https://www.coingecko.com/en">Coingecko</a> data.

Bitcoin tumbled to 4-month low after crypto miners halted operations in China

<ul class="summary-list"><li><keyword id="6354947" type="UNKNOWN" weightage="60" keywordseo="bitcoin">Bitcoin</keyword> slid as much as 15% after Elon Musk said Tesla would stop taking payment in the token.</li><li>It then pared its gains, but was trading more than 20% off the record high touched in April.</li><li>Musk doubled down on his U-turn, calling bitcoin's energy use "insane."</li></ul>Bitcoin tumbled as much as 15% after Tesla boss Elon Musk said on Wednesday night that the car company would stop accepting payments in the cryptocurrency because of concerns about its environmental impact.Musk later doubled down on his major U-turn, <a href="https://twitter.com/elonmusk/status/1392602041025843203?s=20">tweeting</a> a chart showing bitcoin's energy use and calling it "insane."The world's most-traded cryptocurrency then pared some of its gains and was down 8.7% to $49,758 at 9.30 a.m. ET. Bitcoin remained around 70% higher for the year, but was 22% lower than a record high of <a href="https://markets.businessinsider.com/currencies/news/bitcoin-price-record-high-coinbase-direct-listing-btc-crypto-2021-4-1030302632">close to $65,000</a> touched in April.Musk's announcement shocked the cryptocurrency world. The Tesla founder and chief executive has been one of the <a href="https://markets.businessinsider.com/currencies/news/dogecoin-price-elon-musk-tesla-poll-accept-meme-crypto-payment-2021-5-1030413415">biggest advocates</a> of <keyword id="2420795" type="PERSON" weightage="60" keywordseo="cryptocurrencies">cryptocurrencies</keyword>, and has <a href="https://www.bbc.co.uk/news/technology-56844813#:~:text=In%20a%20tweet%20on%20Wednesday,Mr%20Musk%20replied%20%22True%22.&amp;text=The%20tweet%20comes%20soon%20after,asset%20management%20business%20ARK%20Invest.est.">previously appeared</a> to dismiss concerns about their energy use.The revelation that Tesla <a href="https://www.businessinsider.com/tesla-buys-bitcoin-elon-musk-stock-accept-form-of-payment-2021-2">had bought $1.5 billion</a> of bitcoin and would start accepting payment in the token sent the price soaring 16% in a single day in February and added legitimacy to the asset class.Yet Musk appeared to have had a change of heart, <a href="https://twitter.com/elonmusk/status/1392602041025843203?s=20">tweeting</a> a statement on Wednesday night saying: "Tesla has suspended vehicle purchases using Bitcoin."We are concerned about rapidly increasing use of fossil fuels for Bitcoin mining and transactions, especially coal, which has the worst emissions of any fuel."Critics have long <a href="https://www.businessinsider.com/bitcoin-btc-energy-use-worry-big-investors-fahad-kamal-kleinwort-2021-2">attacked</a> bitcoin for its energy use. Bitcoin "mining" - the process of securing the network and creating coins using vast amounts of computing power - uses more energy each year than Sweden, according to <a href="https://cbeci.org/cbeci/comparisons">Cambridge University researchers</a>.A Bank of America report estimated 73% of bitcoin mining takes place in China, where the majority of energy is generated by coal power.Musk's announcement sent other cryptocurrencies tumbling, too. <a href="https://markets.businessinsider.com/currencies/eth-usd">Ether</a>, the second-biggest coin by market size, was down 10.7% in the 24 hours to 9.30 a.m. ET. Dogecoin, XRP and Binance Coin all tumbled."Tesla accepting transactions bitcoin was viewed as a major step for the crypto market," Daniel Ives, an analyst at Wedbush, said in a note."Now Tesla's/Musk reversal will have a short-term negative impact on bitcoin and the crypto landscape as the market digests this confusing news from one of its biggest supporters."

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The US government is considering a national security review of Elon Musk's $44 billion Twitter acquisition, report says. If it happens, Biden could ultimately kill the deal.

Kate Duffy

As Terra's stablecoin collapses and luna hits zero, the crypto project simply switches off its network

Harry Robertson

Terra's luna dives 45% after the network's stablecoin lost its dollar peg again, adding to the pressure on bitcoin

Weilun Soon

Ken Griffin's net worth jumps $6.5 billion after huge Citadel deal — making him the 3rd-richest person in finance with $28 billion

Harry Robertson

Bitcoin tumbled to 4-month low after crypto miners halted operations in China

Sophie Kiderlin

Bitcoin plunges as much as 15% after Elon Musk halts Tesla payments - calling the token's energy use 'insane'

Harry Robertson

How to invest as the conflict in Ukraine intensifies: A complete guide to protecting your portfolio as global markets react to Russia's invasion

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