Vistra to Join S&P 500 as Pioneer Natural Resources Exits
S&P Dow Jones Indices announced Friday night that electric and power generation firm Vistra (VST) will be added to the S&P 500 index before Wednesday’s market open. VST stock will take the place of Pioneer Natural Resources (PXD), which is being acquired by Exxon Mobil (XOM).
Changes in S&P Indices:
- Vistra (VST) replaces Pioneer Natural Resources (PXD) in the S&P 500.
- Marathon Digital (MARA) moves down to the S&P SmallCap 600.
- Heating and AC company AAON (AAON) moves up to the S&P MidCap 400 index.
Market Reaction:
- Vistra stock rose 4.2% on Friday night.
- Marathon Digital stock climbed 4.85%.
- AAON stock fell about 3%.
Analysis:
- Vistra’s inclusion in the S&P 500 reflects its strong performance amid increased demand for power in data centers driven by the AI boom.
- Marathon Digital’s move to the S&P SmallCap 600 may be viewed positively as more funds track this index.
- AAON’s promotion to the S&P MidCap 400 may offer growth opportunities, although it may result in fewer funds holding the stock.