GameStop, AMC shares skyrocket after meme stock trader posts for first time in 3 years CNNGameStop stock soars over 70% as ‘Roaring Kitty’ revival reignites meme-stock bonanza Yahoo FinanceGameStop, AMC Entertainment Meme Surge May Trigger Short-Squeeze Buying InvestopediaGameStop short sellers lost almost $1 billion in Monday’s monster rally CNBCGameStop sparked the 2021 memecoin bull run — will history repeat itself? Cointelegraph