Subservicing vendors continued to increase their contract totals in the first quarter as owners of mortgage servicing rights moved more of their business to these specialists to counter regulatory burdens that show few signs of abating. According to exclusive survey figures compiled by Inside Mortgage Finance, $1.625 trillion of home mortgages were being handled by subservicers at March 31, a 5.5 percent sequential increase and a 19.5 percent gain year-over-year. Subservicing firms – a business mostly dominated by nonbanks with one key exception – now process...[Includes one data table]