
Shares of videogame retailer GameStop GME.N rise 4% to $22 in premarket trade
CEO Ryan Cohen purchases 500,000 shares of GME on Thursday
Cohen now has a stake of 8.4% in GME as of April 3
Last month, GME said its board has approved the addition of bitcoin as a treasury reserve asset
Up to last close, GME has fallen 32% YTD; it jumped 78% last year