Citigroup Inc., one of the largest U.S. credit-card issuers, said Friday that it failed to lower interest rates for some credit-card customers as required by federal law. The bank said it plans to issue around $335 million in refunds to affected customers, or about $190 on average per affected account. Citi said the issue stemmed from the...

Source: Wall Street Journal February 23, 2018 16:30 UTC