AI Bubble? Market Expert Says Yes — and this Event Could ‘Drag Down the Entire Sector’

9/28/2026
Impact: -75
Communication Services

Whitney Tilson, a former hedge fund manager, warns that the AI sector may be in a bubble similar to the dot-com bubble, citing high spending on infrastructure and unproven business models as key indicators. He highlights that five major companies—Alphabet, Amazon, Meta, Microsoft, and Oracle—are responsible for a significant portion of AI investment. Tilson predicts that the upcoming IPOs of Anthropic and OpenAI, both of which are currently unprofitable, will be critical in determining the future of the AI market. He expresses concern that if OpenAI fails to go public, it could negatively impact the entire sector.

AI summary, not financial advice

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