标普500指数低开20.31点，跌幅0.32%，报6259.04点；道琼斯工业平均指数低开25.17点，跌幅0.06%，报44803.36点；纳斯达克综合指数低开110.55点，跌幅0.54%，报20490.55点。

Group 1 - The S&P 500 index opened lower by 20.31 points, a decline of 0.32%, closing at 6259.04 points [1] - The Dow Jones Industrial Average opened lower by 25.17 points, a decline of 0.06%, closing at 44803.36 points [1] - The Nasdaq Composite index opened lower by 110.55 points, a decline of 0.54%, closing at 20490.55 points [1]