JPMorgan Chase CEO Jamie Dimon warned this week that there could be credit risks lurking in the economy, saying that "when you see one cockroach there are probably more."

Dimon spoke on the bank's quarterly earnings call on Tuesday and acknowledged that the firm had to take a $170 million write-off in the third quarter related to the bankruptcy of subprime auto lender and dealership Tricolor.

He also pointed to the bankruptcy of auto parts maker First Brands as suggesting there could be some other credit problems looming in the economy.

"When you see one cockroach, there are probably more, and so everyone should be forewarned of this one," Dimon said. "First Brands, I'd put in the same category, and there are a couple of other ones out that I've seen put in similar categories.

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