The ruckus over GameStop offered some new lessons for investors, including the phenomenon of an angry bubble rather than one motivated by simple greed.
Meanwhile, just when the investing world thought that the story had been put to bed, GameStop shares posted another bumper rise - doubling in trading on Wednesday 24 February.
But while elements of the GameStop story were new, traders also fell into some classic behavioural investing traps, easily recognisable to experienced stock investors, most obviously that of herding .
Behavioural investing: People risking their money often fall into psychological traps
This is where people draw comfort and reassurance from doing the same as everyone else in pursuit of a popular investing trend.