Conforming jumbos, cash-out refinances and mortgages for investment properties and second homes are becoming less prevalent in deliveries to the government-sponsored enterprises. (Includes data chart.)

Although agency business faltered slightly in September, Fannie, Freddie and Ginnie drove the ABS/MBS market to a whopping $542 billion in new issuance during the third quarter. (Includes three data charts.)

DBRS and Fitch were the top rating services in non-agency MBS mostly because they cover a lot of scratch-and-dent transactions. S&P excels in nonprime, Moody's in jumbo.