When Quants Open Up

摘要

It's been a rough fall, and the proof is in the numbers. Anemic job news and dire warnings from Europe have not provided businesses, political leaders or ordinary citizens with much hope of ending the year on a high note. In fact, at press time, September 2011 was the single worst month for hedge fund performance since the same time in 2008. And we don't need a reminder of what happened on Wall Street then. Meanwhile, as Europe teeters and the U.S. Congress stalls, the stock markets have been as volatile as ever. One day they're up 100 points, and the next they are down 200.