Concerns about litigation and various pricing issues have combined to suppress originations of non-qualified mortgages to borrowers who aren’t affluent, according to industry analysts. Since the Consumer Financial Protection Bureau’s ability-to-repay rule and QM standards took effect in early 2014, a certain portion of the non-QM market has held up fairly well: interest-only mortgages. However, the loans tend to be available solely for affluent borrowers, while non-QM originations for less-than-prime borrowers remain limited. Most non-QM lenders are targeting...