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President Obama's choice to replace Timothy Geithner as Treasury Secretary is a lawyer and budget expert. He's also a former Citigroup banker who served as a longtime White House loyalist and is now making the Capitol Hill rounds to bolster his nomination. Yet for all that's known about Jack Lew's past, his views on banking policy remain something of a mystery. One key question is whether as Treasury Secretary he'd support the Financial Stability Oversight Council as vigorously as has his predecessor. In addition to FSOC, at issue are Lew's views on implementing the Dodd-Frank Act, the "Too Big to Fail" doctrine and the designation of non-banks as posing systemic financial risks.

With success in many markets riding on innovative technology, banks are turning to the tricky game of venture investing.

As banks press ahead in introducing mobile services, glitches abound. But many see phone-based banking as a game-changer as customers embrace the technology, warts and all.

The Federal Trade Commission determined that banks and other creditors bear responsibility for selling consumer debts to collectors that are backed by scant documentation.

With a federal court endangering the status of its director and its second in command leaving, the Consumer Financial Protection Bureau has suddenly been forced to shift from playing offense to defense.

Banks want to collect more data to target offers at their card customers. One company's facial-recognition system may offer an edge, assuming it's not going too far.