JPMorgan Chase & Co posted an increase in first quarter earnings, helped by better results in its credit card business.

The second-largest U.S. bank said first-quarter earnings were $5.6 billion, or $1.28 a share compared with $3.3 billion or $0.74 a year earlier.

Its shares were up 15 cents at $46.79 in premarket trading.

(Reporting by Clare Baldwin; Editing by Derek Caney)