标普500指数开盘上涨12.43点,涨幅0.45%,报2756.71点;纳斯达克指数开盘上涨40.30点,涨幅0.55%,报7370.70点;道琼斯指数开盘上涨95.50点,涨幅0.38%,报25505.55点。