UPDATE 2-Citigroup to refund $335 mln of credit card interest charges
February 23, 2018 at 11:34 AM EST
NEW YORK, Feb 23 (Reuters) - Citigroup Inc said on Friday that it had failed to properly reduce interest charges on some 1.75 million credit card accounts since 2011, prompting a $335 million refund to customers later this year.
