The outstanding supply of subprime mortgages in the market continued to decline in the third quarter, but three special servicers significantly increased their portfolios, according to a new ranking and analysis by Inside Nonconforming Markets. The growing servicers – Ocwen Financial, Nationstar Mortgage and Walter Investment Management – all focus on high-touch servicing. Special servicing is in particularly high demand as banks have started to sell their subprime holdings, a trend expected to...