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Big Tech companies are pouring unprecedented billions into artificial intelligence, and the returns are starting to show. In the April–June quarter, AI drove major gains in cloud computing, digital advertising, and search, boosting revenue at Microsoft (NASDAQ:MSFT), Meta (NASDAQ:META), Amazon (NASDAQ:AMZN), and Alphabet (NASDAQ:GOOGL).
Microsoft reported record AI-driven growth, announcing $30 billion in capital expenditures this quarter and revealing Azure generated $75 billion in sales last fiscal year. Its AI tools, including Copilot, now serve over 100 million users, with 800 million customers using AI features across Microsoft’s ecosystem. The strong results pushed Microsoft’s market value past $4 trillion, joining Nvidia (NASDAQ:NVDA) in the exclusive club.
Alphabet raised its annual spending forecast to $85 billion after revenue exceeded expectations, driven partly by its Gemini AI assistant, which boasts 450 million monthly active users. Meta also lifted its capital expenditure outlook to as high as $72 billion to accelerate its AI race, supported by strong advertising revenue.
Amazon, despite a 7% after-hours drop on weaker cloud results, is still projected to spend $118 billion this year, far above prior analyst estimates. The company’s aggressive AI infrastructure expansion mirrors rivals’ efforts to meet surging demand.
The massive investments are reshaping the tech sector, with combined AI-related capital expenditures from leading firms expected to exceed $330 billion in 2025. Analysts note that robust core businesses are giving these companies room to invest heavily without spooking investors.
With AI adoption accelerating and user bases expanding rapidly, Wall Street views these outlays as critical to sustaining Big Tech’s next growth phase amid broader economic uncertainty and intensifying competition in the generative AI race.
