Investing.com -- Ares Management Corp (NYSE:ARES) stock jumped 7% in after-hours trading Monday following the announcement of its inclusion in the S&P 500 index, effective December 11.
The alternative asset manager will replace Kellanova (NYSE:K), which is being acquired by Mars Inc. in a transaction expected to close soon, pending final conditions, according to S&P Dow Jones Indices.
In the same announcement, Vital Farms Inc. (NASDAQ:VITL) shares rose 5.4% after-hours as the company was selected to join the S&P SmallCap 600 index. Vital Farms will replace Heidrick & Struggles International Inc. (NASDAQ:HSII), which is being acquired by Advent International and Corvex Private Equity.
Additionally, Sezzle Inc. (NASDAQ:SEZL) stock gained 7.5% following news it will be added to the S&P SmallCap 600 index effective December 15. Sezzle will replace Vital Energy Inc. (NYSE:VTLE), which is being acquired by S&P SmallCap 600 constituent Crescent Energy Co. (NYSE:CRGY).
Index inclusions typically boost stock prices as they drive demand from index-tracking funds and other institutional investors that must adjust their portfolios to match the updated index composition.
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