After negotiating with a potential buyer, Bank of America gave up trying to sell its correspondent business and will simply shut the program down by the end of the year, leaving a huge potential hole in the market. The rumored bidder, NationStar Mortgage, reportedly wanted a higher price than BofA was willing to pay to take the correspondent unit off the bank’s hands. “After a comprehensive review of market opportunities, Bank of America will close its correspondent lending channel by the end of 2011, following an orderly transition with clients,” the company said in a written statement. BofA, which had already...