Microsoft on track for record one-day market-cap gain after Azure forecast drives 16.70% surge

Microsoft rose 16.70% on July 30, 2026 — up $65.23 from a $390.54 close — after FY2026 Q4 revenue of $90.0B (+18% YoY) and upbeat Azure guidance. Reuters reported the stock was set for the largest one-day market-cap gain on record, exceeding the roughly $190B swing options markets had priced on July 29.