Residential mortgage delinquency rates have turned around nicely from their worst levels in the wake of the financial crisis, but mortgage servicer timelines continue to increase, according to recent findings by industry analysts. The improvement in the broad U.S. economy in general, and the steady decline of the unemployment rate and the strong rebound of the housing market in particular, have significantly reduced the residential mortgage serious-delinquency rate across all credit spectrums, Deutsche Bank analysts said in a report issued last week. Delinquency rates have declined...