The Big Short investor calls Caterpillar one of the market's most overvalued AI trades—but an analyst argues the rally reflects a real structural shift in data-center power demand, not hype.

"Caterpillar jumped out at me," Burry said. "I have never shorted Caterpillar. It has always done great for me on the long side in the past."

Michael Burry has shorted Caterpillar for the first time ever, expanding his bearish bets against AI-linked stocks as the rally draws dot-com bubble