With a refinance boom in full tilt, subprime volume rose markedly during the first quarter, a new Inside B&C Lending ranking of the top subprime players reveals. Most of the increased volume came from the industry’s top players, who flexed considerable muscle. Overall, an estimated $36.5 billion in new subprime paper was generated during the early part of 2001, a 14.1 percent increase from the estimated $32 billion in originations during the same period last