The 10 most important things in the world right now

Hello! Here's what you need to know on Thursday.

1. A Donald Trump presidency has started to seem much more realistic. A slew of new polling data told a story of general tightening, even as Hillary Clinton's blue "firewall" is holding up for now

2. British Prime Minister Theresa May is about to learn whether she must seek parliamentary approval before triggering the formal process of leaving the European Union, a step some investors hope will lessen the chances of an economically disruptive "hard Brexit."

3. Facebook stock tanked despite the company crushing Q3 earnings targets. Facebook is starting to hit the limit of how many ads it can squeeze into its users' newsfeeds.

4. ISIS leader Abu Bakr al-Baghdadi called on his fighters to resist as Iraqi forces are poised to enter the city of Mosul. "Do not retreat," Baghdadi said. "Holding your ground with honour is a thousand times easier than retreating in shame."

5. The US State Department slammed Moscow's recent comparison of the US-backed anti-ISIS offensive in Mosul with Russia's scorched-earth campaign in the Syrian city of Aleppo, calling the claim "ludicrous" and "insulting."

6. At least 11 people have been killed after two passenger trains collided in Pakistan's southern port city of Karachi. One train rammed into the other while it was waiting at the city's Jumma Goth railway station.

7. Uber is totally revamping its app and laying the groundwork for a new revenue stream. The wealth of choices has become a burden in the current version of Uber's app.

8. South Korea's new prime minister nominee said it is his view that the country's president can be subject to prosecutors' ongoing investigation into an influence peddling scandal. No sitting South Korean president has been subject to an investigation by prosecutors.

9. Fitbit shares fell by as much as 30% in after-hours trading, after the company cut its full-year forecast ahead of an anticipated slowdown in growth.

10. The Chicago Cubs won the World Series for the first time since 1908. The Cubs' World Series victory ends one of the most famous title droughts in all of sports.

And finally ...

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