Dropbox Founder Drew Houston Steps Down as CEO After 19Year Tenure Shifts to Executive Chairman Lenovo Shares Surge Nearly 20 on Record Earnings as AI Revenue Doubles Taiwan Chip Stocks Rally as Nvidia Unveils 150 Billion Spending Plan Chinas Cambricon Slumps Puig Shares Plunge as Este Lauder TieUp Talks Collapse European Markets Edge Higher At Least 90 Killed in Chinese Coal Mine Explosion Worst Disaster in 17 Years SoftBank Group Shares Surge 1985 as Nvidias Strong Earnings Fuel AI Optimism Quantum Computing Progress Nvidia and Microsoft Lead the Way Amid Shifting Expert Views