In morning trading, the Dow Jones Industrial Average was down 146 points, or 1 percent, to 12,825.
The Nasdaq was down 20 points, or 0.68 percent, to 2,900.
The S&P 500 was down 16 points, or 1 percent, to 1,359.
The LABJ Stock Index was down 2 points, or 1.5 percent, to 133.