NEW YORK, March 7, 2012 /PRNewswire/ -- Crown Castle International Corp. (NYSE: CCI) will replace Constellation Energy Group, Inc. (NYSE: CEG) in the S&P 500 index after the close of trading on a date to be announced. S&P 100 & 500 constituent Exelon Corp. (NYSE: EXC) is...
Source : http://www.prnewswire.com/news-releases/sp-indices...
Source : http://www.prnewswire.com/news-releases/sp-indices...