(ANSA) - ROME, NOV 18 - The Competition and Market (antitrust) Authority has opened an investigation into SAS, Shipping Agencies Services, a company in the MSC cruise group, Moby and Grandi Navi Veloci (GNV) to verify the existence of possible restrictions on competition following the acquisition of 49% of Moby's share capital by SAS and the subsequent large financing granted by the latter to Moby, the antitrust office said Monday. (ANSA).