Lenders in the non-agency market are loosening underwriting standards to some extent as refinance activity is expected to decline. Some 22 percent of the lenders surveyed by Fannie Mae said they loosened underwriting standards for non-agency mortgages during the third quarter. And 13 percent said they plan to loosen credit standards in the fourth quarter. Only 3 percent of the non-agency lenders surveyed by Fannie said...