"Big Short" Michael Burry reveals his latest stake.

Robinhood's revenue is closely tied to trading volume on its platform. Meme stocks and short squeezes tend to encourage increased trading frequency. Robinhood stock has boomed in the last year, thanks ...

He posted a chart showing how stocks peaked before capital spending did in past investment booms. Burry shared a meme from "The Lord of the Rings," suggesting investors are dangerously complacent.