Standard & Poor’s received notification that the acquisition of Caremark RX by CVS Corp. (CVS-also in the S&P 500) will become effective on a date to be announced, not March 21. As a result, the addition of S&P MidCap 400 constituent Developers Diversified Rlty (DDR) for Caremark Rx in the S&P 500, CVS/Caremark Corp. (CVS) for Black & Decker (BDK) in the S&P 100, and Wellcare Health Plans (WCG) for Developers Diversified Rlty in the S&P MidCap 400 will be delayed until further notice.