The GameStop stock frenzy and the retail trading revolution it created five years ago were fueled in part by a financial malaise among younger investors, according to experts. That generational unease has lingered and may have long-term effects on retail investors and the broader stock market. Retail investors bid up shares of GameStop , a brick-and-mortar video game retailer, by more than 1,600% in January 2021, as amateur traders on Reddit's WallStreetBets online message board urged each