标普500指数高开26.73点，涨幅0.43%，报6295.29点；道琼斯工业平均指数高开0.19点，涨幅0.00%，报44459.84点；纳斯达克综合指数高开182.43点，涨幅0.88%，报20822.76点。

Core Points - The S&P 500 index opened up by 26.73 points, representing a 0.43% increase, reaching 6295.29 points [1] - The Dow Jones Industrial Average opened with a slight increase of 0.19 points, showing no significant change, at 44459.84 points [1] - The Nasdaq Composite index opened higher by 182.43 points, marking an increase of 0.88%, with a total of 20822.76 points [1]