Robert N Charette writing for the IEEE spectrum is surprised that it took so long for a media hacking to take down Wall Street. If you had not heard yet, on the 23rd of April, an AP tweet said that there were two explosions in the White House & that Barack Obama was injured. In the three minutes that it took get the message repudiated, Wall Street had lost 143 points. The reason?
Partial blame for the rapid sell-off of stocks is being given to computer-driven trading algorithms that depend on machine readable news.