Mortgage brokers have provided much of the steam for the subprime market this year – a period that has seen large wholesale lenders consolidate their hold on the market. Inside B&C Lending estimates that mortgage brokers accounted for 52.3 percent of the record $375 billion in new subprime mortgages originated during the first nine months of this year. Overall, brokers have seen their market share increase by nearly 5 percent from 2003, when they accounted