Shares ofGameStop Corporation(NYSE:GME) are soaring Monday with the return of one of the key figures who helped bring attention to the video game retail stock.

What Happened:After a three-year hiatus on social media platform X (formerly known as Twitter), the account of Roaring Kitty has returned with his first post since June 18, 2021.

Roaring Kitty, the online alias ofKeith Gill,posted a meme of a man playing video games and leaning forward in his chair on Sunday May 12 at 8 p.m. ET. At the time of writing, the post has been viewed over 10 million times...