NEW YORK, Aug. 22, 2011 /PRNewswire/ -- S&P will make the following changes to the S&P SmallCap 600 index:

    --  GT Advanced Technologies Inc. (NASD: GTAT) will replace Radiant Systems
        Inc. (NASD: RADS) in the S&P SmallCap 600 index after the close of
        trading on Wednesday, August 24. S&P MidCap 400 constituent NCR Corp.
        (NYSE: NCR) is acquiring Radiant Systems in a deal expected to be
        completed on or about that date.


    --  Virtusa Corp. (NASD: VRTU) will replace SFN Group Inc. (NYSE: SFN) in
        the S&P SmallCap 600 index after the close of trading on Monday, August
        29. Randstad North America, L.P. is acquiring SFN Group in a deal
        expected to be completed soon pending final approvals.

Standard & Poor's will monitor these transactions, and post any relevant updates on its website: www.standardandpoors.com.

GT Advanced Technologies provides manufacturing services for the solar industry. Headquartered in Merrimack, NH, the company will be added to the S&P SmallCap 600 GICS (Global Industry Classification Standard) Semiconductor Equipment Sub-Industry index.

Virtusa provides information technology consulting, technology implementation, and application outsourcing services. Headquartered in Westborough, MA, the company will be added to the S&P SmallCap 600 GICS IT Consulting & Other Services Sub-Industry index.

Following is a summary of the changes:





    S&P SMALLCAP 600 INDEX  - August 24, 2011
                             GICS ECONOMIC      GICS SUB-
                COMPANY          SECTOR          INDUSTRY
                    GT
                Advanced       Information    Semiconductor
     ADDED    Technologies     Technology       Equipment
                 Radiant       Information       Systems
    DELETED      Systems       Technology        Software
    -------     --------      ------------      --------






    S&P SMALLCAP 600 INDEX  - August 29, 2011
                        GICS ECONOMIC     GICS SUB-
             COMPANY        SECTOR         INDUSTRY
                                              IT
                                         Consulting
                          Information      & Other
     ADDED   VIRTUSA      Technology       Services
                                            Human
                                         Resources &
                SFN                      Employment
    DELETED    Group     Industrials       Services
    -------     -----    -----------     -----------

For more information about S&P Indices, please visit www.standardandpoors.com/indices.

About S&P Indices

S&P Indices, the world's leading index provider, maintains a wide variety of investable and benchmark indices to meet an array of investor needs. Over $1.25 trillion is directly indexed to Standard & Poor's family of indices, which includes the S&P 500, the world's most followed stock market index, the S&P/Case-Shiller Home Price Indices, the leading measure of U.S. home prices, the S&P Global BMI, an index with approximately 11,000 constituents, the S&P GSCI, the industry's most closely watched commodities index, and the S&P National AMT-Free Municipal Bond Index, the premier investable index for U.S. municipal bonds. For more information, please visit www.standardandpoors.com/indices.

For more information contact:

David M. Blitzer, Ph.D.Managing Director & Chairman of the Index Committee(212) 438-3907

SOURCE Standard & Poor's