The new government-sponsored enterprise low-downpayment programs have met a mixed reaction among lenders. While some said they expect to see an uptick in mortgage activity, others noted the product accounts for just a small percentage of their firms’ business and won’t have much of an impact on origination volume. Fannie Mae’s low-downpayment program kicked off in December 2014, and Freddie Mac implemented its program in March 2015. So far, the volume of low-downpayment purchase loans in GSE business is relatively small. Fannie securitized...