Keith Gill, the meme stock trend-setter known as Roaring Kitty, may have sold off his recently-disclosed options in GameStop amid a surge in trading, market experts speculated. Gill — who made a surprise comeback to social media last month after not posting anything online in years — had disclosed a sizeable GameStop stock and options position in a screen shot on Reddit on June 2. The screen shot showed he held 120,000 GameStop June 21 call options at a strike price of $20, bought at$5.6754 per contract or ...