 NEW YORK--BUSINESS WIRE--BlackRock Advisors, LLC announced today that, at a joint special meeting of shareholders the Meeting of BlackRock Municipal Income Investment Quality Trust NYSE: BAF, BlackRock MuniHoldings Fund II, Inc. NYSE: MUH and BlackRock MuniHoldings Quality Fund, Inc. NYSE: MUS, the requisite votes of shareholders of BAF, MUH and MUS have approved the reorganization of each of BAF, MUH and MUS with and into BlackRock MuniHoldings Fund, Inc. NYSE: MHD, with MHD cont 