In Thursday trading, the Dow Jones industrial average closed down 153 points, or 1 percent, to 15,594.
The Nasdaq fell 75 points, or 2 percent, to 3,857.
The S&P 500 fell 23 points, or 1 percent, to 1,747.
The LABJ Stock Index fell 2 points, or 1 percent, to 172.
