美国股市持续下跌，道琼斯指数跌幅扩大至2%，标普500指数现跌1.25%，纳斯达克综合指数跌1.36%。

Market Performance - The US stock market continues to decline, with the Dow Jones Industrial Average experiencing a drop of 2% [1] - The S&P 500 index has decreased by 1.25% [1] - The Nasdaq Composite index has fallen by 1.36% [1]