Associated Press has admitted that its Twitter account was hacked and used to send out a false report of explosions at the White House. With just under two million followers, APs Twitter account has a wide reach, and is influential enough, it seems, that even a false rumour of this sort can have a visible affect on the stock market. The Dow Jones Industrial Average, for instance, shows a clearly-noticeable stutter at the time of this offending tweet: The Dow dipped very slightly, by under 1%, before rising to a level very slightly higher than before the slight drop.”]