美股走势大幅分化，道琼斯指数跌1.01%，标普500指数涨0.34%，纳斯达克综合指数涨0.82%

Group 1 - The U.S. stock market showed significant divergence on January 27, with the Dow Jones Industrial Average declining by 1.01% [1] - In contrast, the S&P 500 index increased by 0.34% [1] - The Nasdaq Composite index rose by 0.82% [1]