A trader works at the New York Stock Exchange in New York, the United States, on May 7, 2019. U.S. stocks ended sharply lower on Tuesday. The Dow Jones Industrial Average fell 473.39 points, or 1.79 percent, to 25,965.09. The S&P 500 decreased 48.42 points, or 1.65 percent, to 2,884.05. The Nasdaq Composite Index was down 159.53 points, or 1.96 percent, to 7,963.76. (Xinhua/Wang Ying)