PNC Financial Services Group is under federal investigation regarding claims on expenses it incurred in connection with the foreclosure of loans insured or guaranteed by the FHA, Fannie Mae or Freddie Mac. In a recent filing with the Securities and Exchange Commission, PNC disclosed a subpoena from the U.S. Attorney’s Office for the Southern District of New York seeking documents related to the foreclosures. PNC said the inquiry is in its early stage and that ...