GameStop Corp. (NYSE:GME) shares rallied in Tuesday’s extended trading after CEO Ryan Cohen disclosed a massive purchase of the stock. GME stock is climbing. See the chart and price action here. Cohen Likes The StockAccording to an SEC filing, Cohen purchased 500,000 additional shares of GameStop at a weighted average price of approximately $21.12 per share. After Tuesday’s purchase, Cohen's total stake in the company is 41,582,626 shares, including approximately 3.7 million warrants. He now owns 9.2% of Ga ...