Nvidia's (NVDA) record profit had a US$7.8 billion catch. That chunk came from betting on its own customers, not from selling its chips.

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Nvidia (NVDA) just posted the biggest quarterly profit in its history, US$59.7 billion. But US$7.8 billion of it didn't come from selling a single chip. It came from gains on Nvidia's investments in companies like OpenAI and SpaceX. Real gains under GAAP, but paper ones that rise and fall with AI valuations. And it's not new, last quarter the figure was US$15.9 billion.

Nvidia increasingly invests in the very customers who then buy its chips, so when their valuations climb, it books a profit. Part of the "record" is a scoreboard of Nvidia's the boom it has helped fuel. The core business is firing on all cylinders, make no mistake, but a loop runs both ways. If AI valuations take some heat, those same gains could start to sting.

How long can the hyperscalers keep funding Nvidia's record?