On May 20 (local time), the three principal U.S. stock indices concluded the trading day with collective gains. The Dow Jones Industrial Average surged by 1.31%, climbing over 600 points, while the S&P 500 Index ascended by 1.08%, and the Nasdaq Index jumped by 1.54%. The majority of large-cap tech stocks witnessed an upswing, with Arm's stock price rocketing over 15%. Netflix and Amazon also experienced a rise of over 1%, whereas Apple, Tesla, and Meta saw modest increases. Nvidia's shares climbed 1.3%; however, its stock price dipped over 3% at one juncture following the release of its earnings report post-market closure. Conversely, Google and Microsoft registered slight declines. The performance of popular Chinese concept stocks was a mixed bag, with JD.com and Bilibili plummeting over 3%, Weibo, NetEase, Alibaba, and Baidu descending over 2%, Pinduoduo experiencing a slight downturn, and XPeng Motors ascending over 3%.