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AI Stock Boom Draws Fresh Warnings as Bubble Fears Intensify

A Bank of England alert refocuses investors on stretched valuations, with scrutiny of debt‑heavy AI infrastructure.

Overview

  • Michael Burry resurfaced on X to allege that hyperscalers are inflating profits by extending hardware lifespans to understate depreciation, calling the practice a common modern fraud.
  • The Bank of England said the risk of a sharp market correction has risen, citing mass enthusiasm for AI and the challenge of assessing new business models.
  • Market gains remain unusually concentrated, with Nvidia reported at about 8% of the S&P 500 and Apple, Microsoft and Amazon together near 25.5% of the index.
  • Analysts flagged record AI capex—figures cited include roughly $125 billion now and $400 billion announced—alongside Bank of America’s warning that data‑center building leans heavily on debt with uncertain monetization.
  • Economist analyses outline three potential endgames if valuations break: a productive reallocation, a recessionary pullback, or a deeper stress scenario if large borrowers falter.