标普500指数高开4.05点，涨幅0.07%，报6234.03点；道琼斯工业平均指数低开27.78点，跌幅0.06%，报44378.58点；纳斯达克综合指数高开54.41点，涨幅0.27%，报20466.93点。

Group 1 - The S&P 500 index opened up 4.05 points, an increase of 0.07%, reaching 6234.03 points [1] - The Dow Jones Industrial Average opened down 27.78 points, a decrease of 0.06%, at 44378.58 points [1] - The Nasdaq Composite index opened up 54.41 points, an increase of 0.27%, reaching 20466.93 points [1]