Chase Manhattan Mortgage has assembled a top-ranked mortgage operation largely through acquisitions and integration over the last decade, and recently won an upgraded servicer rating from Fitch because of its ongoing commitment to improvement. CMMC, a subsidiary of JP Morgan Chase, has built its mortgage business with the goal of being a flexible, yet highly coordinated large-scale servicer, Fitch notes in a recent report. Through the third quarter of 2003, Chase ranked as the