标普500指数低开4.13点，跌幅0.07%，报6193.88点；道琼斯工业平均指数低开39.28点，跌幅0.09%，报44455.66点；纳斯达克综合指数低开18.51点，跌幅0.09%，报20184.37点。

Core Points - The S&P 500 index opened lower by 4.13 points, a decline of 0.07%, settling at 6193.88 points [1] - The Dow Jones Industrial Average opened down by 39.28 points, a decrease of 0.09%, at 44455.66 points [1] - The Nasdaq Composite index opened lower by 18.51 points, a drop of 0.09%, reaching 20184.37 points [1]