Correspondent originators and mortgage brokers continued to churn out relatively more purchase mortgages than retail lenders during the fourth quarter of 2015, according to a new Inside Mortgage Trends analysis of agency loan-level data. Some 34.6 percent of single-family loans securitized by Fannie Mae, Freddie Mac and Ginnie Mae during the final three months of last year were originated by correspondent lenders. And 69.1 percent of those loans ... [Includes one data chart]