Oil slide pulls Wall Street back from record levels

Wall Street retreated from record levels on Wednesday after a drop in oil prices pressured energy stocks, while shares of Walt Disney surged on its results and an acquisition. A rally since late June has pushed the S&P 500 up more than 6 percent in 2016 as low interest rates encourage investors to buy U.S. equities, although high valuations are of concern to many. The energy index fell 1.41 percent, hurt by a drop in oil prices after the U.S. government reported a surprise crude stockpile bu