美股走低，道指跌近0.4%，标普500指数跌0.17%，纳指跌0.14%。特朗普称不会延长8月1日的最后期限。

Group 1 - U.S. stock market declined, with the Dow Jones falling nearly 0.4% [1] - S&P 500 index decreased by 0.17% [1] - Nasdaq dropped by 0.14% [1] Group 2 - Trump stated he will not extend the deadline of August 1 [1]