- Keith Gill may face an E-Trade ban, sources told The Wall Street Journal.
- A post to Gill's Reddit account seemed to show he had a $116 million position in GameStop.
- E-Trade, owned by Morgan Stanley, is said to be worried about the prospect of stock manipulation.
Keith Gill, also known on social media as "Roaring Kitty" or "DeepFuckingValue," could get barred from E-Trade after his apparent disclosure of a huge stake in GameStop caused the stock price to soar.