 NEW YORK--BUSINESS WIRE--Bronstein, Gewirtz Grossman, LLC notifies investors that a class action lawsuit has been filed against GTT Communications, Inc. GTT or the Company NYSE: GTT and certain of its officers, on behalf of shareholders who purchased or otherwise acquired GTT securities between May 5, 2016 and November 9, 2020, inclusive the Class Period. Such investors are encouraged to join this case by visiting the firms site: This class action seeks 