Foreclosure timelines and servicers’ emphasis on loss mitigation has dampened improvements to loss severities on non-agency MBS, according to Fitch Ratings. The rating service said this week that while national average home prices have increased by 14 percent in the past year, loss severities on liquidated properties in non-agency MBS have improved by only 5 percent. In the third quarter of 2013, it took an average of 32 months to liquidate a mortgage included in a non-agency MBS, according to Fitch, more than twice as long as average liquidation timelines in 2008. “Longer timelines translate...