OpenAI CEO Sam Altman is everywhere.

His artificial intelligence startup, now valued at $500 billion, has been inking deals valued in the tens to hundreds of billions of dollars with infrastructure partners, even as it continues to burn mounds of cash .

Those expenditures are driving the market.

The Nasdaq and S&P 500 rose to record highs this week after Nvidia agreed to invest up to $100 billion in OpenAI. That followed a $300 billion deal between OpenAI and Oracle in July as part of the the Stargate program, a $500 billion infrastructure project that's also being funded by SoftBank .

Its commitments don't stop there. CoreWeave on Thursday said it's agreed to provide OpenAI up to $22.4 billion in AI infrastructure, an increase fr

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