Citigroup

The card activation process is relatively low-tech, but since its introduction nearly three decades ago it has been hugely effective in preventing credit cards from falling into the wrong hands. Among its pioneers was Ash Gupta, American Express’s president of global credit risk, who is retiring next month.

Banks scrapped a plan to create a shared data bunker for customer data in favor of a backup buddy system. Some argue a move to blockchain should be next.

U.S. fintechs attracted $5.8 billion in the fourth quarter as institutions sought an AI edge.

Turmoil at the Export-Import Bank, a possible trade war with China and a potential retreat from the North American Free Trade Agreement all add up to high anxiety for bankers in the business of financing U.S. exports.

Citigroup said an Italian court rejected a €1.8 billion ($2.2 billion) civil claim filed by Parmalat against the bank over the food company's collapse in 2003.