美股创近1个月最大单日跌幅

Market Overview - The U.S. stock market experienced a significant decline, with the S&P 500 and Nasdaq indices recording their largest single-day drops since the outbreak of conflict between the U.S. and Iran on February 28. The S&P 500 index fell by 1.74% to 6477.16 points, while the Nasdaq composite index dropped by 2.38% to 21408.08 points, and the Dow Jones Industrial Average decreased by 1.01% to 45960.11 points [1][2]. Geopolitical Context - The Middle East situation remains tense, with Iran responding to the U.S. ceasefire proposal by outlining four essential conditions, including the cessation of hostilities and compensation for war damages [4]. - Iran asserted its sovereignty over the Strait of Hormuz, while the U.S. is reportedly preparing a military option against Iran, which includes potential ground forces and airstrikes targeting key oil export hubs and nuclear facilities [5]. Market Reactions - President Trump's comments during a cabinet meeting indicated that the rise in oil prices and the stock market's decline were not as severe as he anticipated, which may have contributed to market sentiment [6]. - The stock market's downturn was exacerbated by the lack of progress in negotiations and the ongoing geopolitical tensions, with analysts suggesting that a sustainable market recovery hinges on achieving a peace agreement and reopening the Strait of Hormuz [9]. Stock Performance - Major tech stocks showed mixed results, with Nvidia down 4.16%, Google-A down 3.44%, and Meta experiencing a significant drop of 7.96% due to a court ruling requiring compensation related to social media addiction [9][11]. - Semiconductor stocks faced a downturn, with Micron Technology falling for the sixth consecutive trading day, down 6.97%, reflecting broader market concerns rather than a fundamental weakening of demand [10]. Chinese Stocks - Chinese stocks also suffered from the overall market decline, with the Nasdaq Golden Dragon China Index dropping by 2.55%. Notable declines included Alibaba down 3.43% and Baidu down 4.92% [11].