美股延续涨势，纳指涨幅扩大至4%，道指现涨3.6%，标普500指数涨3.7%。

Core Insights - U.S. stock market continues its upward trend with the Nasdaq Composite Index increasing by 4%, the Dow Jones Industrial Average rising by 3.6%, and the S&P 500 Index gaining 3.7% [1]