In 2019, GameStop seemed to be just another failing brick-and-mortar business. But a couple of internet dwellers at Wall Street Bets, in a strange corner of the giant forum, reddit, thought the hedge funds were making a mistake.

On this episode of NPR’s Planet Money: how a standoff between big market movers and an irreverent community of anonymous traders erupted into an epic showdown that is changing the way people think about power on Wall Street.

Listen to Planet Money wherever you get your podcasts, including NPR One, Apple Podcasts and Spotify.