Regions

U.S. stocks ended lower on Monday afternoon as investors worried about Greece and mulled the prospect of the Federal Reserve raising interest rates as early as September.

The Dow Jones industrial average .DJI fell 82.55 points, or 0.46 percent, to 17,766.91, the S&P 500 .SPX lost 13.47 points, or 0.64 percent, to 2,079.36 and the Nasdaq Composite.IXIC dropped 46.83 points, or 0.92 percent, to 5,021.63.