NEW YORK, Aug. 21 (Xinhua) -- U.S. stocks closed lower on Thursday as investors await Federal Reserve Chair Jerome Powell's upcoming remarks at the annual Jackson Hole economic policy symposium on Friday.
The Dow Jones Industrial Average slipped 152.81 points, or 0.34 percent, to 44,785.5. The S&P 500 declined 25.61 points, or 0.4 percent, to 6,370.17. The Nasdaq Composite fell 72.55 points, or 0.34 percent, to 21,100.31.
