US stocks ended lower at the end of the trading session on Tuesday. The S and P 500 .SPX lost 41.98 points, or 0.72%, to end at 5,817.87 points, while the Nasdaq Composite .IXIC lost 180.26 points, or 0.97%, to 18,322.42. The Dow Jones Industrial Average .DJI fell 320.46 points, or 0.77%, to 42,733.92. Source: Qatar News Agency