Microsoft surges 16.70% on Azure forecast, set for record one-day market-cap gain

Microsoft rose 16.70% on July 30, 2026 — up $65.23 from a $390.54 close — after FY2026 Q4 revenue of $90.0B, up 18% year over year, and strong Azure growth guidance. Per Reuters, the stock is on pace for the largest one-day market-cap gain on record, exceeding the roughly $190B swing options markets had priced the prior day.