Keith Gill, the trading influencer popularly known as “Roaring Kitty,” has accumulated a $262 million stake in GameStop Corp. (NYSE:GME), leading to discussions about market manipulation in the meme-stock era. What Happened: Gill’s substantial stake in GameStop Corp and its call options reached over $550 million on June 6. Despite his acquisition of more stock, the value of his holdings has decreased due to a slump in the company’s shares. As the stock’s value remains relatively stable, apprehensions are mounting among Wall Street and retail traders. The 2021 GameStop rally, which challenged s…