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Microsoft Shares Drop Sharply as Heavy AI Capex Collides With Record Cloud Growth

Investors are asking for clearer proof that the company’s roughly $190 billion infrastructure build will raise future profits rather than just compress margins.

Overview

  • Late June selloff pushed Microsoft well below recent highs after markets reacted to the company’s disclosure of very large AI data‑center spending and a big quarterly jump in capital expenditures.
  • Microsoft reported record cloud and AI performance with Microsoft Cloud revenue above $54 billion, Azure growing about 40%, and Copilot hitting roughly a $37 billion annual run rate.
  • The company guided to about $190 billion in fiscal 2026 capital spending and posted Q3 capex of roughly $30.9 billion, a year‑over‑year surge that investors say is weighing on near‑term margins.
  • Analysts remain broadly positive on the long run and several firms have reaffirmed buy ratings and high price targets, but they differ on how quickly infrastructure spending will convert into higher earnings.
  • The broader context is a predicted multiyear AI ‘capex supercycle’ that supports Microsoft’s scale advantage but raises a key risk for customers, employees, and shareholders: the company must show faster monetization or investors may demand a lower valuation for longer.