Invesco Advisers Announces Private Placement of Variable Rate Muni Term Preferred Shares by Invesco Municipal Income Opportunities Trust PR Newswire ATLANTA, Nov. 1, 2017 ATLANTA , Nov. 1, 2017 /PRNewswire/ -- Invesco Advisers, Inc. announced today the successful private placement of Variable Rate Muni Term Preferred Shares (VMTPs) pursuant to an offering exempt from registration under the Securities Act of 1933, as amended (the Securities Act). Invesco Municipal Income Opportunities Trust...