GameStop's shares jumped 6% Thursday, trading above $30, following a post by meme stock influencer Keith Gill, known as "Roaring Kitty." Gill played a key role in GameStop's 2021 Reddit-fueled rally. He shared an image resembling a 2006 Time magazine cover on platform X. The stock's 30-day implied volatility rose to a three-week high of over 130%. About 300,000 options contracts were traded, with the most popular bets on shares surpassing $30 by Friday. GameStop's stock has surged over 70% year-to-date.