美股三大股指期货高开逾1%，纳指期货涨1.5%，标普500指数期货涨1.4%。

Group 1 - The U.S. stock index futures opened more than 1% higher, indicating a positive market sentiment [1] - Nasdaq futures rose by 1.5%, suggesting strong investor interest in technology stocks [1] - S&P 500 index futures increased by 1.4%, reflecting overall market optimism [1]