周五（8月1日）纽约尾盘，标普500股指期货最终下跌1.64%，道指期货跌1.26%，纳斯达克100股指期货跌2.02%。罗素2000股指期货跌1.94%。

Core Viewpoint - The U.S. stock market experienced a significant decline on August 1, with major indices showing notable drops in futures trading. Group 1 - The S&P 500 futures fell by 1.64% [1] - The Dow futures decreased by 1.26% [1] - The Nasdaq 100 futures dropped by 2.02% [1] Group 2 - The Russell 2000 futures declined by 1.94% [2]