DirecTV to Sell Half of Hughes Systems Rupert Murdoch's DirecTV Group Inc. will sell half its stake in Hughes Network Systems Inc. to SkyTerra, a company controlled by a New York private equity firm, the companies said Monday. &lt;br&gt;&lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2" color="#666666"&gt;&lt;B&gt;-Michael S. Rosenwald&lt;/b&gt;&lt;/font&gt;