INSIGHT-Citigroup's past losses may have helped it win Costco business
March 05, 2015 at 02:00 AM EST
NEW YORK, March 5 (Reuters) - Citigroup Inc had at least one advantage in its successful bid for the exclusive right to issue credit cards for Costco Wholesale Corp, rivals and tax specialists say: it lost so much money during the financial crisis that it has billions of dollars of tax credits.