For some reason, the South Florida Sun-Sentine's readers voted up an old story about United Airlines being on the brink of bankruptcy. Could be any reason from deliberate stock manipulation to a bunch of high-schoolers reading it as part of a class.
This causes Google's newsbots to spot it. The article didn't have a date. So it got taken as new news, and ended up on Google News as if it was from today.
Other news aggregators picked it up from there.
Automated stock trading programs dumped stock.
Which plummeted from $12 to $3 - wiping out 1.14
billion dollars.
I'm highly amused, and unsure if anything could be done about it. I guess it's just one of those things that happens.
I got it from the /. article
here - which got it from the Wall Street Journal, which for some reason isn't letting me in right now.