标普500指数高开15.59点，涨幅0.25%，报6312.95点；道琼斯工业平均指数高开87.19点，涨幅0.20%，报44571.68点；纳斯达克综合指数高开73.92点，涨幅0.35%，报20959.57点。

Core Points - The S&P 500 index opened up by 15.59 points, representing a 0.25% increase, reaching 6312.95 points [1] - The Dow Jones Industrial Average opened up by 87.19 points, with a 0.20% increase, reaching 44571.68 points [1] - The Nasdaq Composite opened up by 73.92 points, showing a 0.35% increase, reaching 20959.57 points [1]