BUZZ-Doral Financial Corp: Asset sale
** Puerto Rican bank's U.S.-listed shares up 22 pct at $7.60 in premarket
** Says it sold $430 million of assets to Barclays Inc, raising proceeds of $423 million
** Doral, whose business has been affected by a slowing Puerto Rican economy, has been selling assets to meet regulatory requirements
** Up to Tuesday's close, stock had lost 55 pct this year
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