GameStop shares surged another 60 percent on Wednesday in pre-market trading, boosted by increased interest among amateur investors who have lifted the share price by 700 percent over the past two weeks.
But some hedge funds have refused to budge from their bearish bets, with FIS' Analytics data showing investors had piled on $2.2 billion in bearish bets on the US video game retailer -- a whopping 20 percent of its market capitalisation,
In the meantime, Reddit's Wallstreet bets stock trading discussion group were backing the company, buying shares and call options on the stock.
A similar euphoria has boosted BlackBerry and Nokia.