https://www.siliconvalley.com/2021/02/04/buying-binges-is-housing-like-gamestop/

Confused by all the wild, speculative trading of GameStop shares that made the ailing video-game store chain the talk of the financial world?

This is a story of hard-to-explain, Wall Street investment strategies pumped up by novel smartphone apps and online chat rooms. Basically, small investors took on deep-pocketed hedge funds in a David vs. Goliath battle.