Morgan Stanley Rates ACE, St Paul, Chubb

On the heals of earnings releases by ACE Ltd, St. Paul Cos. And Chubb Corp., brokerage firm Morgan Stanley, which recently settled charges that its analysts violated conflict of interest laws, released securities ratings on the stocks.On Tuesday Morgan Stanley cut its rating on ACE Ltd (NYSE:ACE) to "underweight" from "equal-weight," saying it thinks other companies offer better risk/return tradeoffs. The stock closed at $33.50 on the New York Stock Exchange on Monday. The firm cut St. Paul Cos. (NYSE:SPC) to "underweight" from "equal-weight" also saying they think other companies offer bette...