Navellier & Associates Inc. lowered its position in Marathon Oil Co. (NYSE:MRO – Free Report) by 87.5% during the fourth quarter, HoldingsChannel.com reports. The fund owned 12,738 shares of the oil and gas producer’s stock after selling 89,312 shares during the quarter. Navellier & Associates Inc.’s holdings in Marathon Oil were worth $308,000 at the […]