NEW YORK, Oct. 23, 2026 /PRNewswire/ -- Howard Hughes Holdings Inc. (NYSE: HHH) will replace Arcosa Inc. (NYSE: ACA) in the S&P SmallCap 600 effective prior to the opening of trading on Wednesday, October 28. S&P 500 constituent CRH plc (NYSE: CRH) has acquired Arcosa in a deal that closed today, October 23.
Following is a summary of the changes that will take place prior to the open of trading on the effective date:
Effective Date Index Name Action Company Name Ticker GICS
Sector
October 28, 2026 S&P SmallCap 600 Addition Howard Hughes
Holdings HHH Real Estate
October 28, 2026 S&P SmallCap 600 Deletion
Arcosa ACA Industrials
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