In Monday trading, the Dow Jones industrial average closed down 167 points, or 1 percent, to 16,246.
The Nasdaq fell 48 points, or 1 percent, to 4,080.
The S&P 500 fell 20 points, or 1 percent, to 1,845.
The LABJ Stock Index fell 2 points, or 1 percent, to 187.