 New York, New York--Newsfile Corp. - January 20, 2021 - Pomerantz LLP is investigating claims on behalf of investors of GTT Communications, Inc. GTT or the Company NYSE: GTT. Such investors are advised to contact Robert S. Willoughby at or 888-476-6529, ext. 7980.The investigation concerns whether GTT and certain of its officers andor directors have engaged in securities fraud or other unlawful business practices. Click here for information about joining the... 