The army of retail traders who rallied around AMC Entertainment and GameStop a few years ago recently set their sights on Opendoor Technologies. They got the stock up, which is par for the course. Then they turned on Chief Executive Carrie Wheeler, which isn’t.
Wheeler’s ouster showed the renewed power of these investor mobs, who are starting to make demands on their favorite stocks much as traditional activist shareholders do—only with more online memes and name calling.