Microsoft's AI Shift Drives Dow Gain Amid Meta Share Plunge

On September 25, U.S. stock indexes rose as Microsoft's shift in artificial intelligence strategy led to a 0.8% increase in the Dow Jones Industrial Average.

The company combined its consumer and workplace Copilot applications into a single enterprise-focused product, contributing 120 points to the Dow's gain.

Microsoft's stock climbed 4.1%, while Meta shares dropped 3.6% after announcing plans to integrate its Muse agent into smart glasses and preview a compact device called Charm.