A savings bank that focuses on subservicing has been the most active servicer of loans in jumbo mortgage-backed securities since 2013, according to Fitch Ratings. A number of rating services view the firm, Cenlar, as a strong servicer with good prospects for continued growth. Last week Fitch affirmed its RPS2 rating for Cenlar as a servicer of prime mortgages that demonstrates “high performance in overall servicing ability.” Fitch said that since 2013, Cenlar has added ...