Largest one-day market value gain
The current largest one-day market value gain record is $450 billion, held by Microsoft, set on July 30, 2026. Last checked October 10, 2026.
$450
billion
Microsoft
- Holder
- Microsoft
- Record
- $450 billion
- Exact figure
- Nearly $450 billion (over 15%)
- Location
- Redmond, USA
- Date set
- July 30, 2026
- Last checked
- October 10, 2026
Sources
- staradvertiser.com Microsoft sets record with near 450b single day gain in market value
- thestar.com.my Microsoft set for record one day market cap gain after upbeat azure forecast
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