In Friday trading, the Dow Jones industrial average closed down 318 points, or 2 percent, to 15,879.
The Nasdaq fell 91 points, or 2 percent, to 4,128.
The S&P 500 fell 38 points, or 2 percent, to 1,790.
The LABJ Stock Index fell nearly 4 points, more than 2 percent, to 178.
