https://www.reuters.com/article/us-gamestop-activist/gamestop-jumps-more-than-40-other-meme-stocks-rally-on-stimulus-hopes-idUSKBN2B019T >Shares of GameStop jumped more than 40% on Monday and other so-called meme stocks rallied, lifted by news from the video game retailer and expectations that investors may plow funds from coming stimulus checks into the equity market.