Michael Corbat

After quiet experiments, Citigroup is expanding perks designed for credit cards to encourage sales of other banking products.

Citigroup Chief Executive Officer Michael Corbat said the widening income gap in the U.S. ranks high on the list of things that keep him up at night.

At a recent House hearing with large-bank CEOs, lawmakers’ focus on the compensation gap between the C-suite and lower-level employees echoed a broader discussion about pay inequity.

A House Financial Services Committee hearing featuring seven large-bank CEOs tackled a host of contentious subjects, as Republicans and Democrats sparred over whether such institutions are simply too big.

Jamie Dimon remains the highest-paid chief executive, but his 5% pay raise was smaller than that of at least five of his counterparts. Here's what CEOs of 13 large and regional banks earned last year, based on recent proxy filings.

"I don't and I never would discount the European banks," Citigroup Chief Executive Officer Michael Corbat said in an interview at the World Economic Forum in Davos. "Don't overestimate the U.S. banks' position, and don't underestimate the European banks' position."

CEO Michael Corbat will need to lean heavily on credit cards and other consumer business lines, and keep driving down costs, to offset weaknesses in capital markets.

CEOs on the hot seat. Banks fighting to stay independent. Comfortable players ripe for disruption from Amazon and others. It is shaping up as a riveting year.

Citigroup CEO Michael Corbat added to the chorus of bankers offering warnings about credit risks that loom outside of the banking industry.

Mexico's next president wants to prohibit banks from charging ATM and other fees. That could be bad news for Citigroup and other banks with large retail networks in the country.