In Friday trading, the Dow Jones industrial average closed down 121 points, or 1 percent, to 13,191.
The Nasdaq fell 23 points, or 1 percent, to 3,021.
The S&P 500 fell 14 points, or 1 percent, to 1,430.
The LABJ Stock Index fell 2 points, or more than 1 percent, to 136.
