...July 23, 2021 CENTENNIAL (S&P Global Ratings) July 23, 2021--S&P Global Ratings revised its outlook on the Michigan State Housing Development Authority's (MSHDA's) single-family mortgage revenue bond program to negative from stable following a deterioration in the single-family mortgage revenue bond resolution's asset-to-liability parity on an adjusted basis which incorporates S&P Global Ratings-calculated losses. "We believe it is possible that the resolution may fail to withstand losses at our '##+' level stress scenario in the near term," said S&P Global Ratings credit analyst Daniel Pulter. At the same time, we assigned our '##+' long-term rating to the 2021 series A and B single-family mortgage revenue bonds and affirmed all long- and short-term ratings on outstanding parity debt issued under the resolution....