NEW YORK--(BUSINESS WIRE)--Fitch Ratings has affirmed six classes of FREMF 2012-K710 Multifamily Mortgage pass-through certificates and three classes of Freddie Mac structured pass-through certificates, series K-710. A detailed list of rating actions follows at the end of this press release. KEY RATING DRIVERS The affirmations are the result of stable performance of the underlying pool since issuance. The pool has had no delinquent or specially serviced loans since issuance. The pool's aggregat