Wittenberg Investment Management Inc. raised its stake in shares of Qurate Retail, Inc. (NASDAQ:QRTEA – Get Rating) by 10.8% during the fourth quarter, Holdings Channel.com reports. The institutional investor owned 1,464,199 shares of the company’s stock after buying an additional 142,949 shares during the period. Qurate Retail accounts for about 1.0% of Wittenberg Investment Management […]