Prnewswire·2025-11-24 23:01Core Points - S&P Dow Jones Indices announced changes to the S&P 500 and S&P SmallCap 600 indices, effective November 28, 2025 [1][4] - The changes include the addition and deletion of several companies, reflecting ongoing market dynamics and corporate acquisitions [1][4] Group 1: S&P 500 Changes - Sandisk (SNDK) will be added to the S&P 500, replacing Interpublic Group (IPG), which is being acquired by Omnicom Group (OMC) [1][4] - The acquisition of Interpublic Group is expected to close soon, pending final conditions [4] Group 2: S&P SmallCap 600 Changes - Upwork (UPWK) will replace Premier Inc. (PINC) in the S&P SmallCap 600, with Premier being acquired by Patient Square Capital [1][4] - PTC Therapeutics (PTCT) will replace Sandisk in the S&P SmallCap 600, following Sandisk's addition to the S&P 500 [1][4] - First Interstate BancSystem (FIBK) will replace Hanesbrands (HBI) in the S&P SmallCap 600, with Gildan Activewear acquiring Hanesbrands [1][4]