Wholesale lenders beat retailers at the growth game in what is shaping up to be a banner origination year in the subprime market, a new Inside B&C Lending analysis and ranking suggests. Through the first nine months of this year, subprime lenders generated an estimated $270 billion in new mortgages through broker and correspondent channels, an 82.9 percent increase from the same period last year. Overall, wholesalers accounted for 72 percent of the period’s…