标普500指数高开9.05点，涨幅0.14%，报6397.69点；道琼斯工业平均指数高开45.06点，涨幅0.10%，报44946.98点；纳斯达克综合指数高开68.08点，涨幅0.32%，报21176.40点。

Core Points - The S&P 500 index opened up by 9.05 points, representing a 0.14% increase, reaching 6397.69 points [1] - The Dow Jones Industrial Average opened up by 45.06 points, reflecting a 0.10% increase, reaching 44946.98 points [1] - The Nasdaq Composite index opened up by 68.08 points, indicating a 0.32% increase, reaching 21176.40 points [1]