$4 Trillion Back and Gone, Just Like That

This morning, at precisely 10:13 a.m. Eastern, the U.S. stock market decided to do a triple backflip off a rickety carnival high-dive based on, checks notes, a tweet from a guy pretending to be Bloomberg News. Not Bloomberg the company, mind you. Just a guy with a username and a dream. And that dream? Apparently, to watch four trillion dollars in market…