GameStop, AMC short sellers double down even with stock swings

It’s been a whirlwind week for GameStop and other meme stocks, including AMC, with big swings followed by heavy selling, absent concrete news. Instead, the activity has been fueled by the return of social media investor "Roaring Kitty," also known as Keith Gill, who started posting on X after a three-year hiatus.  Ticker Security Last Change Change % GME GAMESTOP CORP. 32.98 -6.58 -16.64%AMC AMC ENTERTAINMENT 4.92 -0.56 -10.24% The extreme volatility has cost short sellers – those betting the shares will fa ...