美股重新扩大跌幅，纳斯达克综合指数跌1.6%，道琼斯指数跌1.02%，标普500指数跌1.32%

Group 1 - The U.S. stock market experienced a significant decline, with the Nasdaq Composite Index falling by 1.6% [1] - The Dow Jones Industrial Average decreased by 1.02% [1] - The S&P 500 Index dropped by 1.32% [1]