DENVER, Jan. 5, 2012—Credit unions top banks in customer experience while PNC ranks highest among major banks according to the 2011 Northeast U.S. Bank & Credit Union Customer Experience Survey released today by Prime Performance, which advises banks on improving the client experience. The study, based on a survey of 4,934 bank and credit union customers in the Northeast U.S. (Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island and Vermont), shows results for eleven major banks....