NEW YORK, Sept. 12, 2012 /PRNewswire/ -- HFF Inc. (NYSE: HF) will replace Stratasys, Inc. (NASD: SSYS) in the S&P SmallCap 600 index after the close of trading on Tuesday, September 18. Stratasys is merging with privately held Objet Ltd. in a deal expected to be completed soon. The merged company does not meet the domicile criteria for inclusion in S&P US indices.

HFF provides commercial real estate and capital markets services to users and providers of capital in the commercial real estate industry. Headquartered in Pittsburgh PA, the company will be added to the S&P SmallCap 600 GICS (Global Industry Classification Standard) Diversified Capital Markets Sub-Industry index.

Following is a summary of the change:

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