美国股指期货涨幅有所收窄，标普500指数期货现涨1%，纳指期货涨1.5%，道指期货涨0.5%。

Group 1 - US stock index futures have seen a narrowing of gains, with S&P 500 futures up by 1% [1] - Nasdaq futures have increased by 1.5% [1] - Dow futures have risen by 0.5% [1]