直击华尔街｜中美经贸会谈提振华尔街乐观情绪，标普500大涨3.3%，纳指进入技术性牛市

Group 1 - The S&P 500 index surged by 3.3% on May 12, with the Nasdaq 100 returning to a technical bull market, while the dollar index rose over 1%, marking its largest single-day gain since the last election [1] - Technology stocks led the market rebound, with Tesla rising nearly 7% and Apple, Google, and Nvidia increasing by 5%-6%. The KraneShares China Internet ETF (KWEB) also rose over 5%, boosting Chinese concept stocks like Alibaba, JD, and Baidu [1] - U.S. Treasury yields increased rapidly, with the two-year yield rising to approximately 4%. Traders have adjusted their expectations for Federal Reserve rate cuts from three to two, with the first expected in September [1] Group 2 - The rebound in the market has caught many investors off guard, with few bargains available for those who missed the opportunity [2] - Morgan Stanley's strategy team identified four core conditions necessary for a sustained market rally: continued easing of U.S.-China trade relations, robust corporate earnings, a dovish shift in Federal Reserve policy, and ten-year Treasury yields stabilizing below 4% [2] - While the U.S. stock market has experienced a strong emotional reversal in the short term, there are still questions about whether this will support a substantial recovery in corporate earnings and ongoing improvements in macroeconomic data [2]