U.S. markets plunged at the open Monday following a big drop in Chinese stocks.
The Dow Jones industrial average fell more than 1,000 points in early trading.
The Dow was 783 points, or 4.8 percent, lower as of 9:40 a.m. Eastern time. The Standard & Poor's 500 index dropped 87 points, or 4.5 percent, to 1,882. The Nasdaq composite fell 247 points, or 5.1 percent, to 4,465 points.