Michael Burry, the American investor known for his role in "The Big Short" during the 2008 financial crisis, has exited his hedge fund, Scion Asset Management, as filings with the SEC show.Burry, 54, announced on X that he is "on to much better things" after November 25, with his recent actions including shorting AI stocks like Nvidia and Palantir Technologies.He expressed concerns about the tech industry's accounting practices and warns of an AI bubble, increasing his short bets in the sector.