Wells Fargo originated nearly one out of every five jumbo mortgages completed in 2012, according to a new analysis and ranking by Inside Nonconforming Markets of Home Mortgage Disclosure Act data. Wells had a 17.8 percent share of the $220.51 billion in non-agency jumbo mortgages originated last year, more than double its nearest rival. The origination volumes are based on one-unit conventional loan limits for specific metropolitan statistical areas and the $417,000 conforming loan limit [Includes one data chart] ...