 WILMINGTON, Del., Jan. 15, 2021 GLOBE NEWSWIRE -- Rigrodsky Law, P.A. announces that it is investigating Corning Natural Gas Holding Corporation Corning OTC: CNIG regarding possible breaches of fiduciary duties and other violations of law related to Cornings agreement to be acquired by affiliates of Argo Infrastructure Partners, LP. Under the terms of the agreement, shareholders of Corning common stock will receive 24.75 in cash per share. 