GameStop stock gains more than 70%, gets halted for volatility after ‘Roaring Kitty’ post Yahoo FinanceGameStop, AMC soar more than 70% each as ‘Roaring Kitty’ meme trader resurfaces CNBCMeme stock rally met with ‘level of excitement’: tastylive CEO Yahoo Finance“Roaring Kitty” trader returns, causing GameStop shares to jump more than 70% CBS NewsGameStop Stock Trading Sees Shutdowns Again After Big Surge Fueled by Roaring Kitty Return IGN