Citigroup unit Citibank is expected to began an online sweepstakes today to promote its Citibank AAdvantage Debit Card. The card, introduced this month, lets users accumulate frequent-flier miles ...

Citi cardmembers will have the option to pay with their eligible Citi credit or debit card using their iPhone 6 and iPhone 6 Plus. Whether they are buying in stores or online from merchants in ...