GameStop Corp (NYSE: GME) opened about 40% up on Monday after “Roaring Kitty” made a post on “X” for the first time since 2021. Are you looking for signals & alerts from pro-traders? Sign-up to Invezz Signals™ for FREE. Takes 2 mins.Why does Roaring Kitty matter for $GME?Copy link to sectionThat’s significant since Keith Gill who goes by “Roaring Kitty” on X and “DeepF******Value” on Reddit is the one who inspired the short squeeze of 2021.  He, therefore, is the pioneer of the meme stock frenzy so to speak ...