Vistra Set to Join S&P 500; Aaon to Join S&P MidCap 400; Marathon Digital Holdings to Join S&P SmallCap 600
NEW YORK, May 3, 2024 /PRNewswire/ -- S&P MidCap 400 constituent Vistra Corp. (NYSE: VST) will replace Pioneer Natural Resources Co. (NYSE:PXD) in the S&P 500, S&P SmallCap 600 constituent Aaon Inc. (NASD: AAON) will replace Vistra in the S&P MidCap 400, and Marathon Digital Holdings Inc. (NASD: MARA) will replace Aaon in the S&P SmallCap 600 effective prior to the opening of trading on Wednesday, May 8. S&P 500 and S&P 100 constituent Exxon Mobil Corp. (NYSE:XOM) acquired Pioneer Natural Resources in a deal that closed today, Friday May 3.
Following is a summary of the changes that will take place prior to the open of trading on the effective date:
Effective Date | Index Name | Action | Company Name | Ticker | GICS Sector |
May 8, 2024 | S&P 500 | Addition | Vistra | VST | Utilities |
S&P 500 | Deletion | Pioneer Natural Resources | PXD | Energy | |
S&P MidCap 400 | Addition | Aaon | AAON | Industrials | |
S&P MidCap 400 | Deletion | Vistra | VST | Utilities | |
S&P SmallCap 600 | Addition | Marathon Digital Holdings | MARA | Information Technology | |
S&P SmallCap 600 | Deletion | Aaon | AAON | Industrials |
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