The “meme” stock group, led by video game retailer GameStop Corp. GME,
volatile in recent weeks as investors in a Reddit subgroup spurred each other on, were back in premarket trading on Monday. GameStop shares were up 5% for the market, while shares of AMC Entertainment Holdings Inc. AMC,
the world’s largest cinema chain, were up 12%. BlackBerry Ltd BB,
was up 3.8% and Naked Brand Group Ltd. NAKD,
was up 9.5%. Koss Corp. KOSS,
a manufacturer of headphones, rose 2.9%. GameStop stock has gained 440% in the year to date as investors on Reddit’s WallStreetBets platform tried to penalize short sellers who drove their short interest in the stock up to 140% by buying the stock and doing a short squeeze. to create.