NEW YORK, April 2, 2026 /PRNewswire/ — Atmus Filtration Technologies Inc. (NYSE: ATMU) will replace Air Lease Corp. (NYSE: AL) in the S&P SmallCap 600 effective prior to the opening of trading on Thursday, April 9. Sumitomo Corporation & Consortium are acquiring Air Lease Corp in a deal…
Atmus Filtration Technologies Set to Join S&P SmallCap 600
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/ April 3, 2026 
