https://www.cnbc.com/2021/01/29/gamestop-short-sellers-are-still-not-surrendering-despite-nearly-20-billion-in-losses-this-year.html

Great example of the theoretically infinite losses possible with short selling: in just one month, GameStop short sellers have lost $19.75 billion dollars, on a $1.23 billion market cap.

Of course, the market cap right now is exactly $21.2 billion...