Depression Can Cause Wall Street Traders to Make Bad Calls

380159 03: Traders work in stalls at the New York Stock Exchange October 12, 2000 in New York. The Dow Jones industrial average plunged about 380 points while the Nasdaq composite index recorded its lowest close this year. (Photo by Chris Hondros/Newsmakers) Photo: Chris Hondros/Newsmakers/Getty

A new study from the INSEAD international business school found that people suffering from depression tend to make less accurate predictions. "Ironically, the depressed subjects tended to overestimate the likelihood of long-shot results." Well, good thing there's nothing in the market for them to be depressed about. Oh, right. [FINS via Dealbreaker]