NEW YORK--(BUSINESS WIRE)--Fitch Ratings has upgraded the following U.S. residential mortgage servicer rating for Statebridge Company, LLC's (Statebridge) sub-servicer mortgage operations: --U.S. residential primary specialty-subservicer rating to 'RPS3' from 'RPS3-'; Outlook Stable. Fitch Ratings has upgraded Statebridge's subservicer rating to 'RPS3' based on the servicer's evidenced capabilities as a mortgage servicer, its experienced senior management team, developed recruiting, staffing, a