In Thursday trading, the Dow Jones industrial average closed down 267 points, or more than 1 percent, to 16,170.
The Nasdaq fell 130 points, or 3 percent, to 4,054.
The S&P 500 fell 39 points, or 2 percent, to 1,833.
The LABJ Stock Index fell 5 points, or more than 1 percent, to 185.
