Another week has past and GameStop’s (NYSE:GME) stock has grown more volatile, putting investors further at risk. On June 12, GameStop stock plunged 25% on reports that investor Keith Gill, who goes by the online handle “Roaring Kitty,” exercised most of the 120,000 call option contracts he had. Gill apparently used the options contracts to buy even more GME stock. As the trading week ended on June 14, Gill shared a screenshot of his investment account that showed he held over nine million shares of GameSto ...