There was an old news report from 2002 that was by mistake re-released today saying United Airlines declared bankruptcy, the stock went from $11 to .01 !!! they halted trading and once the error was cleared up they restarted trading and it bounced back up to $11 range. the trading volume during this move was in the 10's of millions!! alot of people must have lost their pants and some made a killing within an hour! crazy