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At close · Thu, Jul 30, 2026
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HomeUS MarketsEquitiesMicrosoft adds about $450 billion in market value in o…

Microsoft adds about $450 billion in market value in one day

Microsoft logged the largest one day market cap gain among U.S. companies, even as Meta shares fell sharply on the same day.

The Wall Street Journal Markets reports that Microsoft recorded what it described as the largest one day market capitalization gain by any U.S. company.

The report says Microsoft’s market value rose by about $450 billion in a single trading day.

The same day, the outlet noted that Meta shares plunged, underscoring a sharp divergence between the two major tech names.

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