↗️ eBay (EBAY): Shares surged 9% premarket after GameStop CEO Ryan Cohen made an unsolicited offer to buy the e-commerce company for about $56 billion. Shares of GameStop (GME) slipped. ↗️ Coinbase Global (COIN), Robinhood Markets (HOOD): Shares of both platforms, which offer cryptocurrency trading, gained more than 3% premarket after bitcoin climbed above $80,000 for the first time since January.