The meme-stock frenzy appears to reign after Roaring Kitty, a significant figure in previous GameStop (NYSE: GME) stock surges, shared a screenshot on Reddit suggesting a substantial investment in the gaming retailer.This news is important for GME stock and AMC shares, as they participated in the initial short squeeze in 2021 and benefited substantially from the latest meme-stock frenzy in May.Despite Roaring Kitty’s post not mentioning AMC Entertainment (NYSE: AMC), AMC stock has also rallied strongly, ris ...