Banks and savings institutions sold $174.7 billion of single-family mortgages as part of their mortgage-banking operations during the second quarter of 2016, according to a new Inside Mortgage Trends analysis of call-report data. That represented a 20.2 percent increase from the first three months of the year. It brought year-to-date loan sales to $320.0 billion, still 12.2 percent short of the total for the first half of 2015. Banks ended June with ... [Includes one data chart]