BUZZ-U.S.-listed Argentine stocks: Investors cheered by debt talks
** Argentina-based companies' U.S.-listed shares up after reports of talks between government and holdout debt investors
** If a deal with investors is not reached on Wednesday, Argentina faces default on its sovereign debt
** Lender BBVA Banco Frances up 14.6 pct at $14.23, oil producer YPA up 8.5 pct at $38.60, financial services holding company Grupo Financiero Galicia up 12.8 pct at $17.05
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