https://www.reuters.com/article/us-gamestop-stocks/gamestop-plans-1-billion-stock-sale-shares-slide-idUSKBN2BS0SN >GameStop Corp shares fell 12% on Monday after the video game retailer said it may sell up to $1 billion worth of stock as it takes advantage of a dizzying rally in its shares this year on the back of a Reddit-driven retail trading frenzy.