 Zacks Investment Research cut shares of Mercantil Bank NASDAQ:AMTB from a hold rating to a sell rating in a research report report published on Friday morning, Zacks.com reports. According to Zacks, Amerant Bancorp Inc. is a bank holding company. It operates through its subsidiaries, Amerant Bank, N.A., Amerant Investments, Inc. and Amerant Trust, N.A. The ... 