Microsoft stock jumps 16.70% after strong cloud business forecast

Microsoft stock rose 16.70% on July 30, 2026 — up $65.23 from $390.54 — after quarterly revenue of $90 billion, up 18% from a year earlier, and a positive outlook for its Azure cloud division. Reuters says the jump is set to be the biggest one-day increase in the company's total stock-market value ever, surpassing the $190 billion move investors were betting on.