MUMBAI, India & NEW YORK & SINGAPORE--(BUSINESS WIRE)--Fitch Ratings has upgraded one and affirmed 12 classes of Resource Real Estate Funding CDO 2007-1 Ltd./LLC (RRE 2007-1). A detailed list of rating actions follows at the end of this release. KEY RATING DRIVERS The actions reflect the delevering of the capital structure that has occurred since the last rating action. Since the last rating action, the transaction has paid down by $50 million from the full repayment of nine assets. The transac