Gartner Set to Join S&P 500; Dun & Bradstreet, Wintrust Financial and INC Research to Join S&P MidCap 400; Heska to Join S&P SmallCap 600


S&P Dow Jones Indices will make the following changes to the S&P 500, S&P MidCap 400 and S&P SmallCap 600 indices:
S&P MidCap 400 constituent Gartner Inc. (NYSE:IT) will replace The Dun & Bradstreet Corp. (NYSE:DNB) in the S&P 500, Dun & Bradstreet will replace Gartner in the S&P MidCap 400, and INC Research Holdings Inc. (NASD:INCR) will replace CEB Inc. (NYSE:CEB) in the S&P MidCap 400 effective prior to the open on Wednesday, April 5. Gartner is acquiring CEB in a deal expected to be completed on or about that date pending final conditions. Post-merger, Gartner will be more representative of the large-cap market space. Dun & Bradstreet has a market capitalization more representative of the mid-cap market space.