As you can see by the video – 90 minutes before ending on one of the most volatile days in history the Dow Jones crashes today 1000 points but returns to end the day down 347. It only took less than half an hour get that low. Erroneous reports circulated it was a traders input error to sell a large block, The Dow has lost 631 points, or 5.7 percent, in three days amid worries about Greece’s debt, traders weren’t thinking about the fact Greece is making positive headway, they just focused on the bad end.