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At close · Thu, Jul 30, 2026
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Home›US Markets›Equities›Microsoft delivers biggest one-day market-cap gain for…

Microsoft delivers biggest one-day market-cap gain for any U.S. company

The jump added about $450 billion to Microsoft’s market value in a single session, even as Meta shares fell sharply.

Reported · Written up by our desk · Equities

WSJ Markets reports that Microsoft logged the largest one-day market-cap gain by a U.S. company, with its market value rising by about $450 billion.

The outlet also noted that the move came alongside weakness elsewhere, with Meta shares plunging during the same period.

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Sources

WSJ MarketsMicrosoft Posts Biggest One-Day Market-Cap Gain for Any U.S. Company

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