Wells Fargo ranked as the top purchase-mortgage lender in 2017 both in retail originations and production through third-party originators, according to a new Inside Mortgage Trends analysis of survey data. The company relied more heavily on its correspondent platform last year, posting a 16.9 percent increase in purchase-mortgage acquisitions over its 2016 volume. On the retail side, Wells’ purchase-mortgage originations were down ... [Includes one data chart]