Even though modified loans represent a larger share of non-agency MBS trusts these days, structured product analysts at Wells Fargo Securities have detected a notable year-over-year decrease in modifications. To be sure, modified loans have become an increasing portion of such trusts lately. “About 62 percent of subprime in terms of [unpaid principal balance] has been modified, 39 percent of option adjustable-rate mortgages, 31 percent of Alt A, and 19 percent of prime,” the analysts reported. “Modification activity, however, has slowed down...