Expedia to join investment grade index

Shares in online travel distributor and booking company Expedia could be used as a reference for the CDX North American Investment-Grade Index, a rolling index of 125 companies that refreshes every six months. Other companies likely to be listed include Berkshire Hathaway, Capital One Financial Corp, Pitney Bowes Inc and Tyson Foods. Index administrator Markit is due to publish a full list on 18-Mar-2011.