Fake Tweet Erases $136B in Stock Market

Another linked article today indicates it was algorithmic trades, not human ones, and that the algorithms, which track tweets and social media, read it wrong -- they should have been buying, not selling.

> The interesting question is whether the people panic selling were skittish human traders or twitter-based algorithms trying to get a jump on the headline.

It's sometimes neither of those. A lot of stop-loss orders will have been triggered.

And in fact, at market close, the three major indexes were all up over a percent. Nothing got "erased" today.