Microsoft Corp. shares plummeted 10% after earnings report, losing $357 billion in value, second-largest drop in stock market history. Record spending on AI and slowed growth in cloud unit cited as reasons. Nvidia holds record for biggest single-day loss at $593 billion. Peer companies like Alphabet Inc. and Nvidia also experienced significant losses. Investors skeptical of Big Tech’s AI investments. Microsoft’s capital expenditures rose 66% to $37.5 billion, while Azure growth slowed. Market strategist predicts revaluation of Microsoft shares. Historical selloff among worst in company’s history. 2026 Bloomberg L.P.

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