How Series of Mistakes Hurt Shares of United - News Analysis - NYTimes.com

"Investors wiped out $1 billion of the market value of UAL, United’s parent, within minutes of an erroneous news flash on Bloomberg screens about a United bankruptcy. Google and the Tribune Company, the owner of The South Florida Sun-Sentinel, whose Web site was the source of the article that led to the headline, soon blamed each other for causing the fiasco."