纳指低开1.31%，谷歌A绩后大跌超7%，高通跌超9%

Group 1 - In January, the number of layoffs in the U.S. reached 108,000, the highest for the same period since 2009 [1] - Initial jobless claims also exceeded expectations, indicating a potential rise in unemployment [1] - U.S. stock markets opened lower, with the Nasdaq down 1.31%, S&P 500 down 0.9%, and Dow Jones down 0.6% [1] Group 2 - Alphabet's Class A shares fell over 7% as the company projected capital expenditures to nearly double to between $175 billion and $185 billion, significantly exceeding expectations [1] - Qualcomm's shares dropped 9.3% after the company provided revenue and adjusted earnings per share guidance for Q2 that fell short of expectations, impacted by supply chain bottlenecks in its mobile chip business [1] - Arm's shares declined 3.2% despite reporting a 26% year-over-year revenue increase to $1.24 billion for Q3, with guidance not meeting the most optimistic forecasts [1] Group 3 - Baidu's shares rose 2.5% as the company announced plans to distribute dividends for the first time in 2026 and to repurchase up to $5 billion of its stock [1]