ATLANTA, May 06, 2026 (GLOBE NEWSWIRE) -- Holzer & Holzer, LLC is investigating whether Cogent Communications Holdings, Inc. (“Cogent Communications” or the “Company”) (NASDAQ: CCOI) complied with federal securities laws. On May 4, 2026, Cogent Communications reported its first quarter 2026 results, revealing sequential declines in Off-Net Revenue and Enterprise Revenue. The price of the Company’s stock dropped following this news. If you purchased Cogent Communications stock and suffered a loss on that inv ...