From Bloomberg.com
Google Inc. shares gained 9.7 percent on the announcement that the world’s most-used Internet search engine will be added to the Standard & Poor’s 500 Index.
Google replaces Burlington Resources Inc., an oil company being acquired by ConocoPhillips, after the close of trading on March 31. Google, with a fourfold increase in its shares since its initial stock sale, was valued at $101.6 billion yesterday, more than all but 18 members of the index.