美股三大指数均跌超1%，IBM跌超13%，诺和诺德跌超16%

Market Overview - The market anticipates that President Trump may soon order a large-scale airstrike against Iran, leading to increased risk aversion; all three major U.S. stock indices closed down over 1% [1] - The Dow Jones Industrial Average fell by 1.66%, the Nasdaq by 1.13%, and the S&P 500 by 1.04% [1] Company Performance - Major technology stocks mostly declined, with Microsoft and Netflix dropping over 3%, while Tesla, Amazon, and Meta fell more than 2%; Google and Intel decreased by over 1% [1] - Apple and Nvidia experienced slight increases [1] - IBM saw a significant drop of over 13%, marking its largest decline since 2000 [1] - Novo Nordisk's stock fell over 16% due to its product CagriSema underperforming in clinical trials compared to Eli Lilly's Zepbound [1] Notable Stock Movements - Arcellx, a cancer cell therapy company, surged over 77% on news that Gilead Sciences plans to acquire the company at $115 per share [1] - Visa and MasterCard experienced significant declines, with Visa dropping over 4% (the largest single-day drop since June 2022) and MasterCard falling over 5% (the largest drop since April 2022) [1] Chinese Stocks - The Nasdaq Golden Dragon China Index fell by 0.95%; among popular Chinese stocks, NetEase dropped 1.7%, while Baidu, Pony.ai, and New Oriental fell by at least 1% [1] - Alibaba decreased by 0.8%, while Tencent, Pinduoduo, and Xiaomi saw gains of up to 0.9%; BYD, Meituan, Yum China, WeRide, and NIO increased by up to 4.5% [1]