EHC - LRN FTDR ORA SNCY jump on S&P index changes

A rack of acquisitions is spurring change in the S&P small-cap and mid-cap indexes. Stride (NYSE:LRN) is up 9% after hours as it's moving into the S&P SmallCap 600. It's headed there to replace Omnicell (OMCL), which itself is moving up to the S&P MidCap400 to take the place of Coherent (COHR), set to be acquired by II-VI. That index move is effective prior to the open of trading on Tuesday, July 5. Frontdoor (NASDAQ:FTDR) is up 10.8% in late trading as it's moving into the SmallCap 600 to take the place of Southwestern Energy (SWN) - which is down 2% postmarket as it heads up to the MidCap 400. There Southwestern Energy will take the place of CDK Global (CDK), set to be acquired by Brookfield Business Partners. Those index moves are set for before the open on July 6. Ormat Technologies (NYSE:ORA) is up 7.2% after hours as

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LRN, FTDR, ORA, SNCY jump on S&P index changes