Essex Property set to replace Cliffs Natural Resources in S&P 500

• Essex Property Trust (NYSE:ESS) +2.2% AH on news it will replace Cliffs Natural Resources (NYSE:CLF) in the S&P 500 after the close of trading April 1.
• CLF will move down to the S&P MidCap 400, replacing ESS.
• FEI Co. (NASDAQ:FEIC) will replace BRE Properties (NYSE:BRE), which is being acquired by Essex, in the MidCap 400, and Fabrinet (NYSE:FN) will replace FEI in the S&P SmallCap 600.
• Also, Albany Molecular Research (NASDAQ:AMRI) will replace Supertex (NASDAQ:SUPX), which is being acquired, in the SmallCap 600.
• AMRI +4.2%, FEIC +2%, FN +1.5%, CLF -1.3% AH.