NEW YORK, Dec. 19, 2023 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P MidCap 400 and S&P SmallCap 600 effective prior to the open of trading on Tuesday, January 2:

• S&P SmallCap 600 constituent Livent Corp. (NYSE: LTHM) will replace NCR Voyix (NYSE: VYX) in the S&P MidCap 400, and NCR Voyix will replace Livent in the S&P SmallCap 600. Allkem Limited (ASX: AKE) is merging with Livent in a transaction expected to be completed on or about Thursday, January 4 pending final conditions. The combined company will be considered US domiciled for index purposes, and Livent will be treated as the surviving entity. Post merger, the company will be named Arcadium Lithium plc and will trade on the New York Stock Exchange under the ticker symbol "ALTM". Arcadium Lithium will have a projected total market capitalization that is more representative of the mid-cap market space. NCR Voyix is ranked near the bottom of the S&P MidCap 400 and is more representative of the small-cap market space.
   
• Rush Enterprises Inc. (NASD:RUSHA) will replace RPT Realty (NYSE:RPT) in the S&P SmallCap 600. S&P 500 constituent Kimco Realty Co. (NYSE:KIM) is acquiring RPT Realty in a transaction expected to be completed on or about January 2 pending final conditions.

Following is a summary of the changes that will take place prior to the open of trading on the effective date:

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