JPMorgan said investment banking fees rose 7%, defying Wall Street projections and tariff woes. It's the first big bank to report second-quarter earnings.

Flurry of financial sector reports expected to show investment banking still in the doldrums for another quarter

Major U.S. banks are due to release second-quarter results Tuesday morning, giving investors a window into how investment bankers, trading desks, consumer-banking businesses, and wealth-management arms fared during the volatile second quarter.