text: Murdoch #39;s News Corp. to Join S amp;P 500 News Corp. (NWS.AX: Quote, Profile, Research) (NWS.N: Quote, Profile, Research) , the media company built by Rupert Murdoch, will join the Standard  amp; Poor #39;s 500 stock index after the close of trading on Dec. 17, S amp;P said on Tuesday.