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The Express Gazette
Sunday, October 4, 2026

Microsoft Surges, Adds Record $450 Billion in Market Value in One Day

The software giant's market capitalization increase dwarfed that of any previous U.S. company, while Meta's shares experienced a significant decline.

Business & Markets • 2 months ago
Microsoft Surges, Adds Record $450 Billion in Market Value in One Day

Microsoft's market value surged by a record $450 billion in a single trading day, marking the largest such gain for any U.S. company. This significant increase occurred as the software behemoth's stock price climbed.

In contrast to Microsoft's gains, shares of Meta Platforms experienced a notable plunge during the same period. The market dynamics highlight a significant divergence in performance between the two major technology companies.

The substantial market capitalization jump for Microsoft underscores its recent performance and investor confidence, setting a new benchmark in U.S. corporate finance history for a one-day valuation increase. This event comes amid broader shifts in the technology sector, where company valuations can fluctuate rapidly based on earnings, market trends, and strategic developments.


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