...SAN FRANCISCO (S&P Global Ratings) Dec. 5, 2017--S&P Global Ratings assigned its '##+' long-term rating and underlying rating (SPUR) to Massachusetts Housing Finance Agency's (MassHousing, or the agency) single#family housing revenue bonds (SFHRBs), series 190 (non-AMT), 191 (AMT), and 192 (federally taxable). At the same time, S&P Global Ratings affirmed its '##+' long-term rating on MassHousing's SFHRBs outstanding. The outlook is stable. "The rating reflects our opinion of such factors as consistent strengthening in the indenture's performance and equity position over the past two years, the very strong asset quality of the single#family loan portfolio, and sufficient reserves to provide liquidity for delinquent mortgage loans," said S&P Global Ratings credit analyst Aulii Limtiaco. MassHousing will use these bond proceeds to finance approximately $112 million in new mortgage loans, either through the purchase of mortgage-backed securities (MBS) that are backed by such mortgage loans...