The demand side of the chip spend — a ~$1T Blackwell+Rubin book (a management aggregate, not audited backlog); the $100B OpenAI deal is dead, and the constraint has shifted to supply (HBM4). Watch the per- customer concentration and the circular-financing stakes (Nvidia's 10-Q investments in its own buyers).
ai-circular-financing-risk.
(Gizmodo) ⟨crawl 2026-07-24⟩