Microsoft market cap beats Nvidia's for first time since June 2025

Microsoft reclaimed its position as the world's most valuable company on Tuesday, overtaking Nvidia as the chipmaker's shares slumped amid concerns over the outlook for artificial intelligence and reports of an investigation into a possible foreign intelligence effort targeting Nvidia CEO Jensen Huang.

Microsoft shares slipped 0.4% to $543.25 on Tuesday, while Nvidia plunged more than 6%, trading at approximately $167.11.

Microsoft's market cap was over $4.03 trillion while Nvidia's market cap slid to around $4.02 trillion.


Over the past month, Microsoft shares gained approximately 1.89%, while Nvidia shares declined by around 23.53%.

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Nvidia stock fell more than 6%, making it no longer the second biggest company by market value.