American Express surpassed estimates for second-quarter profit on Friday, fueled by resilient spending from its affluent cardholders.

American Express posted higher revenue in the second quarter, driven by a 20% jump in card fees.

American Express expects full-year earnings to be $15 to $15.50 per share. American Express shares have risen slightly more than 6% since the beginning of the year, while the S&P's 500 index has risen ...