The 25 basis-point mortgage insurance premium cut announced this week by the Department of Housing and Urban Development’s departing leadership could switch $50 billion of issuance from Fannie Mae/Freddie Mac business to FHA as well as cause premium Ginnie Mae MBS to prepay faster, according to market analysts. Absent any adversarial pricing by private mortgage insurers, a guaranty fee adjustment by the Federal Housing Finance Agency or a reversal by the Trump administration, analysts with Bank of America Merrill Lynch see up to 12 percent of purchase and 2 percent of refis shifting to FHA. On June 9, HUD Secretary Julian Castro announced...