Send us a textFinancial markets have been thrown into turmoil over the last week by retail investors using social media chat groups such as the Reddit forum Wall Street Bets and low-cost investment platforms to drive up shares in GameStop, a US video game retailer. In what is called a “short squeeze”, the share buyers are putting intense pressure on hedge funds such as Melvin Capital and other institutional investors, who bet that these equities would fall. GameStop is a struggling bric...