Investors adapting portfolios to volatile environment

... were hammered in the 2008 financial crisis, said Andrea Frazzini, vice president, AQR Capital Management LLC ., Greenwich, Conn. "A risk-based approach is the antidote to plan sponsors who realized that they needed to build a better mousetrap," Mr. ...

http://www.pionline.com/article/20130415/PRINTSUB/304159959