The housing market has been fairly stable in 2016, but industry insiders say decreased affordability and credit access could impede the multiyear housing recovery. With interest rates lower than expected, the Mortgage Bankers Association raised its 2016 origination forecast to $1.60 trillion in May from its January projection of $1.38 trillion. It expects purchase originations to increase in 2017 and 2018, thanks to economic growth and a strong job market. But many first-time homebuyers may be...