A Tricolor dealership in Mesa, Arizona, on 24 September 2025.Photograph: Ash Ponders/Bloomberg via Getty Images Alarm bells are ringing on Wall Street. The recent collapses of Tricolor, a used car seller and sub-prime auto lender, and First Brands, an auto parts supplier, have put the finance industry on edge, almost two decades after problems in the sub-prime mortgage lending market set the stage for the global financial crisis. “When you see one cockroach, there are probably more,” Jamie Dimon, the JPMor ...