U.S. Stocks Close Lower For 4th Day As Fed Meets, Brexit Fears Rise

U.S. stocks fell for a fourth straight session on Tuesday as the Federal Reserve kicked off its two-day policy meeting and fears over the U.K. voting to leave the European Union amped up. The Dow Jones Industrial Average fell 57.66 points, or 0.3%, to close at 17,674.82, as shares of American Express Co. dropped more than 4%. The S&P 500 Index declined 3.74 points, or 0.2%, to finish at 2,075.32, weighed down by the financials and materials sectors. The Nasdaq Composite Index slipped 4.89 points, or 0.1%, to close at 4,843.55. Meanwhile, the CBOE Volatility Index , or so-called fear index, remained above 20.