Sou Hu Cai Jing·2026-01-29 22:52Market - US stock market closed mixed on January 30, with Microsoft dropping approximately 10%, dragging down the Nasdaq index due to slowing cloud business growth and weak earnings guidance [1][2] - Microsoft’s market capitalization evaporated by nearly $360 billion, while Meta Platforms saw a 10.4% increase in stock price, adding $176 billion to its market cap due to strong sales forecasts [2] - International oil prices rose over 3% as President Trump considered military action against Iran, with Brent crude futures increasing by 3.38% to $70.71 per barrel [4] Company - Apple reported record highs in Q4 revenue and profit, with total revenue and net profit increasing by 16% and 15.9% year-over-year, respectively, leading to a stock price increase of over 3% post-announcement [15] - Microsoft experienced its largest single-day stock drop since March 2020, with a 9.99% decline, resulting in a market cap reduction of $357 billion due to disappointing earnings in cloud services [16] - Amazon is in talks to invest up to $50 billion in OpenAI, with discussions involving direct participation from both companies' CEOs [10] - Apple confirmed the acquisition of Israeli AI startup Q.ai, although the transaction amount was not disclosed [25] - SpaceX is discussing a potential merger with xAI ahead of its IPO, which could integrate its rocket business and AI capabilities [20][21]