Nvidia welcomed Microsoft to the exclusive $4 trillion club as America's tech giants plow through growing demand for artificial intelligence.

Microsoft stock surged in after-hours trading on Wednesday after the tech giant beat analysts' expectations for another straight quarter. Shares were up over 8% after hours following Microsoft's ...

Microsoft’s former CEO Steve Ballmer, who Gates hired, has a net worth of $172 billion now. That’s up by $26 billion in 2025. One secret is that Ballmer kept his Microsoft (NASDAQ: MSFT) stock.