American Express’s affluent cardmembers are showing few signs of curbing their spending, and younger customers drove growth in first-quarter transaction volumes, Chief Financial Officer Christophe Le Caillec told CNBC.

JPMorgan Chase this week began suing more customers it has accused of stealing funds from the nation’s largest bank in last year’s so-called infinite money glitch.

When voice authentication startup Pindrop Security posted a recent job opening, one candidate stood out from hundreds of others.