标普500指数高开64.12点，涨幅1.01%，报6427.02点；道琼斯工业平均指数高开204.54点，涨幅0.46%，报44665.82点；纳斯达克综合指数高开327.81点，涨幅1.55%，报21457.48点。

Core Points - The S&P 500 index opened up by 64.12 points, representing a 1.01% increase, reaching 6427.02 points [1] - The Dow Jones Industrial Average opened up by 204.54 points, showing a 0.46% rise, reaching 44665.82 points [1] - The Nasdaq Composite index opened up by 327.81 points, indicating a 1.55% increase, reaching 21457.48 points [1]