Recovery worries hit Wall Street at open

U.S. stocks fell at the open on Monday as investors worried about the strength and timing of an economic recovery, with a drop in oil and commodity prices weighing down shares in those sectors.

The Dow Jones industrial average (.DJI) dropped 66.28 points, or 0.80 percent, to 8,214.46. The Standard & Poor's 500 Index (.SPX) fell 7.45 points, or 0.83 percent, to 888.97. The Nasdaq Composite Index (.IXIC) shed 15.11 points, or 0.84 percent, to 1,781.41.