** Shares of Argentine bank Banco Frances SA down 5.2 percent at $10.28 after the U.S. Supreme Court declined to hear Argentina's appeal as part of a decade-long litigation over the country's obligations to bond investors
** Government had warned it could default on its sovereign debt if required to pay in full.
** Shares of fellow bank Grupo Financiero Galicia SA down 5.2 percent at $13.15
** Oil and gas company YPF SA down 8.8 percent at $30
** Electric power distributor Empresa Distribuidora y Comercializadora Norte SA down 12.2 percent at $10.48 (Reuters Messaging: firstname.lastname@example.org)