Michael Burry — the investor made famous by "The Big Short" for betting against the U.S. housing market before the 2008 crash — is now positioned against three of the market's most closely watched stocks: Micron, Nvidia, and Tesla.

According to Yahoo Finance, Burry is "now betting against Micron, Nvidia, and Tesla," a lineup that spans memory chips, AI processors, and electric vehicles. The framing of the coverage — asking readers whether they "should be worried" — reflects how much weight the market gives to Burry's contrarian calls, even though a single investor's positioning is not a guarantee of where prices go.

A separate report carried by MSN describes what it calls the "Michael Burry bear case" for AI chips, saying it "is back" and centers on a "GPU math problem" that "won't go away." In other words, the skepticism is tied to the underlying economics of the graphics processors powering the artificial intelligence boom, not just short-term price swings.

The details of Burry's positions and the specifics of the "GPU math" argument are not laid out in these headlines, so the exact size, timing, and reasoning behind the bets remain unclear from the sources here. What is clear is the theme: a prominent skeptic is publicly leaning against the companies that have driven much of the recent stock market's gains.

Nvidia, Micron, and Tesla have been among the marquee names of the AI and EV trade, so a well-known bear targeting all three at once draws attention.

Why it matters: when the investor known for calling the last big crash publicly bets against the market's most popular AI and EV stocks, it sharpens an already loud debate over whether those valuations can last.