Mark Cuban said Nvidia is "funding everyone and anyone," like IPOs during the dot-com bubble. Michael Burry said it's "overreaching" with its deals.

Michael Burry and Ed Zitron questioned Nvidia's reported $250 billion financing backstop for OpenAI, warning of rising AI bubble risks.

After reports of Nvidia in talks for deals worth more than $750 billion — with OpenAI, among others — insurance on Nvidia’s debt got more expensive. “There’s a fear of financial…