Standard & Poor’s announced late last week that it placed 96 ratings from 20 servicer-advance ABS on watch for a potential downgrade and the rating service plans changes to its rating criteria for servicer-advance ABS. Industry analysts suggest that the actions could disrupt the market for servicer-advance ABS, as S&P has been the dominant rating service in the sector. S&P said downgrades on servicer-advance ABS are possible because the analysis that accompanied ratings on certain deals didn’t consider subordinated interest amounts as part of the ratable promise. “The CreditWatch placements reflect...