Nvidia stock, Nov. 19 -- As concerns over bets on artificial intelligence (AI) stocks heighten, Nvidia's earnings could emerge as a make-or-break moment for Wall Street investors. Nvidia - the world's most valuable company - will report its quarterly earnings after the bell on Wednesday.

The earnings come amid bubble fears in AI and the selling of Nvidia stock by several large investors, raising fears of an imminent selloff in US stocks.

Tech billionaire Peter Thiel's hedge fund sold its entire stake in Nvidia in the third quarter, as has SoftBank CEO Masayoshi Son, although he has ploughed those returns into a massive bet on OpenAI.

These doubts have pushed Nvidia stock down 10% so far in November, after a 1,200% surge in the past thr...