Analysts are warning that if OpenAI becomes the 'Lehman Brothers of the AI bubble,' the fallout could cascade through Microsoft, Nvidia, Oracle, and Amazon valuations.

Analysts are warning that if OpenAI becomes the 'Lehman Brothers of the AI bubble,' the fallout could cascade through Microsoft, Nvidia, Oracle, and Amazon valuations.

Signals that concentration of AI capex into a few hyperscalers raises systemic risk; diversification of compute platforms becomes a market hedge.