The U.S. Department of Justice will reportedly decide within the next few months whether or not to bring the hammer down on Moody’s Corp. for allegedly overstating its ratings on MBS transactions in the run-up to the financial crisis, Bloomberg reported last week, citing “people familiar with the matter.” According to the news account, the Justice Department is scrutinizing credit ratings that Moody’s assigned during the housing boom and trying to determine if the firm massaged its criteria to earn business from Wall Street banks that were bundling residential mortgages into securities. A proposed settlement has apparently been...[Includes one data table]