The nation’s residential subservicing specialists increased their contract base to $1.93 trillion at the end of 2016, a 2.7 percent sequential gain and an impressive 22.9 percent improvement over yearend 2015, according to survey figures compiled by Inside Mortgage Finance. It’s a sign that this segment of the industry is beginning to look a bit crowded, which means profit margins could come under pressure. Over the past year, several fairly large players in the market – Flagstar, Nationstar Mortgage, Walter/Ditech and PHH Mortgage – have sold...[Includes one data table]