Wall Street sent News Corp. stock higher as the company struck a deal that will make it the biggest shareholder in Gemstar-TV Guide International. The move was seen as strengthening a possible News Corp. bid to acquire Hughes Electronics Corp., operator of DirecTV. News Corp. gets the 21% in Gemstar held by Liberty Media Group, the AT&T Corp. unit run by John Malone. Liberty becomes News Corp.'s biggest non-voting shareholder. In trading Friday, News Corp. closed at $56.06, up 6.03% for the week.