While the word “subprime” often brings housing loans to mind, a new study by Equifax shows that subprime borrowers seeking access to credit cards and auto financing are having an easier time. Lending to subprime consumers for bank credit cards increased 41 percent on a year-over-year basis, with the bankcard limits at their highest since 2008, while retail credit card limits grew 6 percent. Subprime borrowers now comprise 46 percent of the auto finance market, with loan amounts up 14 percent since 2010. Total new auto loan originations hit a six-year high in December 2011...