 NEW YORK--BUSINESS WIRE--Rosen Law Firm, a global investor rights law firm, announces an investigation of potential securities claims on behalf of shareholders of GTT Communications, Inc. NYSE: GTT resulting from allegations that GTT may have issued materially misleading business information to the investing public. On August 10, 2020, after market hours, GTT filed a Notification of Late Filing with the U.S. Securities and Exchange Commission SEC, stating that the Company is unable to 