Key Takeaways GameStop shares fell in intraday trading Monday as the meme stock faces another day of volatility. Markets are reacting to news about Keith Gill, the trader known as "Roaring Kitty" who was a defining piece of the initial meme-stock craze of late 2020 and early 2021. Gill was revealed to have a 6.6% stake in online pet products retailer Chewy in an SEC filing Monday. He is also facing a class-action lawsuit over allegations of a "pump and dump" scheme with GameStop shares. Shares of GameStop ( ...