The faltering bank's sale could work to quell any lingering unrest among depositors at other banks, according to analysts. "No one likes to see a bank fail, but it's good to have really the last remaining source of uncertainty resolved," said Citigroup CEO Jane Fraser.

Because the bank occupied a niche in serving ultra high-end consumers, experts question whether its receivership will make other depositories more reluctant to offer jumbo loans.

An emergency deal for First Republic Bank will help boost JPMorgan's wealth management business. But company executives acknowledge that there are questions about how many of the failed bank's clients and wealth advisors it will be able to retain.

The neobank expects to turn a profit by the end of the year, but faces challenges as it copes with the government's pause on federal student loan repayment and with the difficulty of selling technology services to other businesses.

Banks grappled with a litany of questions throughout earnings season about the likelihood of a recession and the potential for increased pressure on commercial real estate borrowers.

The FDIC's deposit insurance review following a string of bank failures said the most balanced approach to modifying deposit insurance would be to provide higher insurance coverage to business accounts, which would reduce systemic risk and promote market discipline.