Getty ImagesIt was a gloomy day for crude oil. U.S. stocks finished lower Tuesday as investors dumped energy shares after crude-oil prices sank into bear-market territory. The S&P 500 SPX, -0.67% dropped 16.43 points, or 0.7%, to close at 2,437.03, with nine of the 11 main sectors trading lower. The energy sector was down 1.3%, topping the losers. Crude oil ... Read More »