Mortgage brokers and correspondents played a key role in a record-breaking first half for the subprime market, a new Inside B&C Lending analysis reveals. Combined, wholesale channels accounted for 65.4 percent of the estimated $135.5 billion in new subprime loans originated during the first six months of this year. That performance continued a run of dominance for brokers and correspondents, who teamed up to make 65.9