Microsoft’s stock has biggest one-day gain since 2008, adding $480 billion in market value as cloud business booms

5 verified updates • corroborated by 3 independent sources • tracked since July 30, 2026

Part of ongoing coverage: Markets

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Jul 30, 09:00 AM 1 source: Yahoo Finance
Microsoft stock surges on strong quarter, record cloud revenue
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Jul 30, 10:30 AM 1 source: finance.yahoo.com
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Jul 30, 11:30 AM 1 source: Yahoo Finance
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Jul 30, 03:00 PM 1 source: The Motley Fool
$19.6 Billion: The Microsoft Earnings Number That Matters Most
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Jul 31, 07:00 AM 1 source: finance.yahoo.com
Microsoft’s stock has biggest one-day gain since 2008, adding $480 billion in market value as cloud business booms