GTT Communications, Inc. Investors: Last Days to Participate Actively in the Class Action Lawsuit; Portnoy Law Firm Investors with losses are encouraged to contact the firm before March 15, 2021; click here to submit trade information ​LOS ANGELES, March 09, 2021 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises...

GTT Communications, Inc. Investors: Last Days to Participate Actively in the Class Action Lawsuit; Portnoy Law Firm Investors with losses are encouraged to contact the firm before March 15, 2021; click here to submit trade information LOS ANGELES, March 02, 2021 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises...

GTT Communications, Inc. Investors: Last Days to Participate Actively in the Class Action Lawsuit; Portnoy Law Firm Investors with losses are encouraged to contact the firm before March 15, 2021; click here to submit trade information LOS ANGELES, Feb. 02, 2021 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises...

Portnoy Law: Lawsuit Filed On Behalf of GTT Communications, Inc. Investors Click here to join the case LOS ANGELES, Jan. 14, 2021 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises investors that a class action lawsuit has been filed on behalf of GTT Communications, Inc....

GTT Communications Investors: Company Investigated by the Portnoy Law Firm Click here to contact the firm. LOS ANGELES, Aug. 11, 2020 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises GTT Communications, Inc. (NYSE: GTT) investors that the firm has initiated an...