There was a hefty increase in mortgage originations for subprime borrowers with credit scores under 620, most of them FHA loans, according to Equifax. From January through October of 2015, some $50.7 billion of mortgages were originated for borrowers with credit scores below 620, the credit bureau said. That was up 28 percent from the same period in 2014. Equifax attributes this to smarter lending habits. Amy Crew Cutts, Equifax’s chief economist, said while there are many ...