Microsoft lost $357 billion in market cap as stock plunged most since 2020

Microsoft lost 7 billion in market cap as stock plunged most since 2020

By Jordan Novet
Publication Date: 2026-01-29 21:13:00

Microsoft CEO Satya Nadella gestures as he speaks during the World Economic Forum meeting in Davos, Switzerland, on Jan. 20, 2026.

Fabrice Coffrini | Afp | Getty Images

Microsoft shares slid about 10% on Thursday following an earnings report that disappointed some investors, prompting the stock’s sharpest daily decline since March 2020.

The move trimmed the technology company’s market cap by $357 billion, leaving it at $3.22 trillion by the end of Thursday trading.

The iShares Expanded Tech-Software Sector exchange-traded fund tumbled 5% on Thursday, while the technology-heavy Nasdaq Composite index finished the day down 0.7%. Not all of technology went down, though.

Meta shares spiked 10% after impressing analysts with robust results and quarterly revenue guidance on Wednesday.

Investors found a few imperfections in Microsoft’s report.

The all-important growth statistic for Azure and other cloud services came in at 39%, below StreetAccount’s 39.4% consensus. The company called for…