An ongoing Securities and Exchange Commission investigation into possible misconduct related to Wells Fargo’s sale of almost $60 billion in MBS has resulted in the agency filing a subpoena enforcement action in the U.S. District Court for the Northern District of California against the firm. “The commission is investigating possible fraud in connection with Wells Fargo’s sale of nearly $60 billion in residential MBS to investors,” the SEC said. “Pursuant to subpoenas dating back to September 2011, the bank was obligated to produce (and agreed to produce) documents to the...