美股期货短线波动不大，纳斯达克100指数期货维持约1.8%的涨幅，CNBC报道称，美国商会要求白宫给予小企业关税豁免。

Group 1 - U.S. stock futures show limited short-term volatility, with Nasdaq 100 futures maintaining an increase of approximately 1.8% [1] - The U.S. Chamber of Commerce is requesting the White House to grant tariff exemptions for small businesses [1]