Philadelphia, Pennsylvania--(Newsfile Corp. - May 5, 2026) - Kehoe Law Firm, P.C. is investigating potential securities claims on behalf of investors of Cogent Communications Holdings, Inc. ("Cogent Communications" or the "Company") (NASDAQ: CCOI). Cogent Communications' stock declined sharply on May 4, 2026, after the Company reported that its ". . . service revenue decreased by 3.2% from the three months ended March 31, 2025 to the three months ended March 31, 2026." The Company further disclosed, among ...