Three regional banks, once perched among the sector's strongest, have seen their quality rankings collapse into the bottom decile, just days after JPMorgan Chase & Co. (NYSE:JPM) CEO Jamie Dimon warned of "cockroaches" lurking in U.S. credit markets.

3 Banking Stocks Creep From Vault To Crawlspace

According to the latest Benzinga Edge Stock Rankings‘ quality percentile report, Old National Bancorp‘s (NASDAQ:ONB) quality score plunged from 40.03 to 6.34, Atlantic Union Bankshares Corp.‘s (NYSE:AUB) from 74.82 to 5.41, and Community Financial System Inc.’s (NYSE:CBU) from 85.96 to 9.37, all now firmly in the bottom 10th percentile.

The metric, which evaluates operational efficiency, profitability consistency, and balance sheet strength on a percentile basis, signals a sharp deterioration in fundamental health.

Jamie Dimon Sees ‘Cockroaches’ In Banks

The timing is ominous. Dimon, during JPMorgan's earnings call, cited bankruptcies at subprime lender Tricolor Holdings and auto supplier First Brands—under criminal probe—as evidence that "when you see one cockroach, there are probably ...