'Fat finger trade' likely triggered trader panic
(NEWSER) - What's known in the business as a "fat finger" trade may have been responsible for yesterday's stock market chaos, analysts say. Multiple sources believe a trader at a major firm—possibly Citigroup—hit a "B" instead of an "M" while trading Procter & Gamble shares, selling a billion shares instead of a million , and sending the Dow Jones on a panicky rollercoaster ride. Major exchanges are also examining possible erroneous trades in multiple stocks that triggered glitches in the trading system, notes the Wall Street Journal. More»