Mark Zuckerberg gains $25 billion in one day, Muse surpasses ChatGPT
Author: Francis NoudePublished on: September 22, 2026Country: United States
Business & EconomyTechnology

Mark Zuckerberg's wealth increased by $25 billion on September 21, reaching approximately $253.6 billion, due to a more than 11% rise in Meta's stock. Meanwhile, the Muse app, launched on September 8, has surpassed ChatGPT as the most downloaded free app in the United States. Meta plans to invest between $130 billion and $145 billion in artificial intelligence development in 2026.
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