GameStop and AMC slumped on Wednesday as the “meme stock rally” driven by the surprise return of “Roaring Kitty” showed signs of fizzling out. Shares of GameStop were down by 31%, to $32.40 per share, after posting sizable gains in each of the previous two trading sessions. AMC sank about 25$5.10 per share. 4 Roaring Kitty’s real name is Keith Gill. The two firms had gained more than $11 billion combined in market value since the start of the week. Even the comeback of Roaring Kitty – the retail invest ...