Why Muse just added billions to Meta's market cap and to Mark Zuckerberg's net worth
Why Muse just added billions to Meta's market cap and to Mark Zuckerberg's net worth Brian Sozzi Executive Editor Tue, September 22, 2026 at 6:12 AM PDT 3 min read META AAPL The way the market sees it now, Meta ( META ) is about to upend the enterprise tech market with its new Muse AI agent. "Lots can and will change in the future, but the key, simple point is that Meta has a hit on its hands with Muse," Evercore ISI Mark Mahaney said in a new note. Meta stock erupted, gaining 11.3% to close at $741.25 on Monday, adding a robust $192 billion to the company's market cap and more than $13 billion to CEO Mark Zuckerberg's net worth. The stock rose another 0.2% in premarket trading on Tuesday. Investor enthusiasm reached a fever pitch as Muse surged to the top spot on Apple's App Store. Muse reached 2.8 million downloads in its first 12 days across both the US and Canada app stores, according to Sensor Tower data. What's more, Muse has surpassed the early...