美股三大指数收盘涨跌不一，纳指跌0.72%，标普500指数跌0.13%，道指涨0.11%

Core Viewpoint - The U.S. stock market showed mixed results on January 30, with the Nasdaq Composite Index declining while the Dow Jones Industrial Average experienced a slight increase [1] Group 1 - The Nasdaq Composite Index fell by 0.72% [1] - The S&P 500 Index decreased by 0.13% [1] - The Dow Jones Industrial Average rose by 0.11% [1]