A number of lenders increased their originations of interest-only mortgages in 2013, according to a new ranking and analysis by Inside Nonconforming Markets. IOs with loan applications of Jan. 10 and beyond will subject lenders to greater liabilities due to the Consumer Financial Protection Bureau’s ability-to-repay rule, but many lenders note that they will continue to offer IOs to well-qualified borrowers. Lenders reported ... [Includes one data chart]