Ginnie Mae this week acted quickly to dispel rumors of a plan to sunset the agencys single-issuer MBS program, saying the report was nothing but unwarranted speculation. Agency officials assured participants during a Ginnie issuer and investor symposium in Austin, TX, earlier this month that the reports were untrue. The false buzz spooked the markets early this week, causing price spreads between Ginnie Mae I and II programs to narrow, officials acknowledged. In an Oct. 7 memo to program participants, Ginnie Mae clarified...