SAN FRANCISCO (MarketWatch) -- Soros Fund Management LLC, run by billionaire investor George Soros, reported Thursday it cut its stakes in the SPDR Gold Trust , General Motors and General Electric , according to a 13-F that listed his fund's stock holdings as of Dec. 31. The Soros fund sold all 1.1 million LinkedIn shares and 260,000 shares of Amazon.com it had previously reported owning as of Sept. 30, along with 2.5 million Groupon shares. By the end of 2012, the fund had also exited positions in Qualcomm and Kinross Gold Corp. . The filing showed Soros reported fresh stakes in ADT ... Read More