Microsoft became the second company to reach a $3 trillion market capitalization in January 2024.
Microsoft crossed the threshold as its shares rose on optimism about cloud computing and artificial intelligence. The company’s partnership with OpenAI and its integration of AI tools into products such as Azure and Microsoft 365 increased investor attention.
Microsoft’s market value is supported by several large businesses rather than a single product. Windows, Office, Azure, Xbox, LinkedIn, enterprise security, and developer tools all contribute to its broad technology portfolio.
The company briefly overtook Apple as the world’s most valuable public company in January 2024, although rankings changed repeatedly afterward. Such comparisons depend on current share prices and can shift even when the underlying businesses have not changed dramatically.