Did a medium-sized canary just croak in the coalmine of consumer credit?While the world and his pet rabbit was avidly glued to the screens, hanging on every word from Fed Chair Powell, something happened in a name that few have likely heard of that could have a much greater impact on markets.After seeing its bonds rise week after week, seemingly amid confidence in the US consumer (especially at the lowest incomes)......prices for the almost $2 billion of debt behind subprime auto-lender Tricolor Holdings su ...