Hackers caused brief panic and a sharp, but temporary, market dip Tuesday afternoon by falsely reporting a bombing at the White House. The incident occurred after the official Associated Press Twitter account sent the following message at 1:07 p.m. EST: The report was almost immediately discredited and the AP’s Twitter account was taken down until control could be wrestled from the unidentified hackers. The markets sharply dropped upon release of the tweet, but regained their losses within minutes after the