Lockheed Martin Investment Management Co. lowered its holdings in DTE Energy (NYSE:DTE – Free Report) by 10.1% in the fourth quarter, HoldingsChannel.com reports. The firm owned 11,600 shares of the utilities provider’s stock after selling 1,300 shares during the quarter. Lockheed Martin Investment Management Co.’s holdings in DTE Energy were worth $1,289,000 as of its […]