REUTERS/Ilya Naymushin
Near 9:45 am ET on Tuesday, the Dow was down 164 points, the S&P 500 was down 18 points, and the Nasdaq was down 58 points.
US Treasuries continued their recent sell off, with the yield on the benchmark 10-year note gaining one basis point, or 0.01, to 2.28%. The yield on the long 30-year bond was at 3.05%, the highest since early November.
European stocks also tumbled on Tuesday, with every major index on the continent falling more than 1%.
The big company news today is Verizon's acquisition of AOL for $4.4 billion, or $50 per share. That's a 17% premium over AOL's Monday closing price of $42.59.
In early trading, AOL shares rose 17% to around $50.13 per share, after surging in pre-market trading. Verizon shares fell around 1%.
In economic data, the NFIB small business optimism report rose to 96.9, beating the forecast for a reading of 96, and up from 95.2 in the prior month, according to Bloomberg.
At 10:00 a.m., we'll get the latest Job Openings and Labor Turnover Survey, or JOLTS.