GREENWICH, Conn.--(BUSINESS WIRE)--GAMCO Investors, Inc. (“GAMCO”) (NYSE: GBL) will launch Gabelli Financial Services Opportunities ETF (NYSE: GABF), on or around May 10, 2022. GAMCO will offer a “loyalty” program under which the first $25 million of the Fund’s assets under management will incur no fees and expenses. GABF’s investment objective...