Microsoft's Q4 results sent shares up 15%, adding $450B in market cap in a single day as Azure revenue surged 43% year-over-year to top $100B

Microsoft’s Azure grew 43% and passed $100bn for the year, its backlog hit $678bn, and the stock rose 2%. But AI capital spending keeps climbing.

Microsoft's Azure revenue surpassed $100 billion in FY26, but market sees Apple at 56.5% YES to be largest company by market cap on August 31.

Microsoft beat quarterly estimates as Azure grew 43%, annual cloud revenue crossed $100 billion and Microsoft 365 Copilot reached 30 million paid users.

Microsoft shares surged 16% after stronger-than-expected guidance, robust Azure cloud growth and rising Microsoft 365 Copilot adoption eased concerns over AI spending. The company…