Another one? Ever since the May 6 Flash Crash — when some kind of glitch or buying strike caused stocks to rapidly lose a lot of value — there have been sporadic instances of stocks rapidly plunging beyond what appears to be normal market behaviour.
Shares of Apple lost $15 at the open, before instantly recovering most of that.
Yesterday shares of Progress Angry lost most of their value briefly.
That SEC report on the big May 6 Flash Crash couldn’t come soon enough.