Shares of smaller lenders sink once again, reviving fears about the banking sector

Signage for Western Alliance Bank is displayed at its headquarters in downtown Phoenix on April 27, 2023. - Shares in smaller lenders such as Western Alliance and PacWest are sinking, reviving fears about the banking sector. (Patrick T. Fallon/AFP via Getty Images)

Hours after JPMorgan Chase took over First Republic Bank, Jamie Dimon, the CEO of the largest lender in the U.S., called an end to the bank turmoil that had enveloped the country's smaller lenders since March.

"This part of the crisis is over," he told Wall Street analysts.