Oppenheimer & Co. Inc. lowered its position in Abbott Laboratories (NYSE:ABT – Free Report) by 3.2% in the 4th quarter, HoldingsChannel reports. The institutional investor owned 103,199 shares of the healthcare product maker’s stock after selling 3,442 shares during the quarter. Oppenheimer & Co. Inc.’s holdings in Abbott Laboratories were worth $11,359,000 at the end […]