Live feed19:05:00·761dPRReleasevia Quantisnow+3Vistra Set to Join S&P 500; Aaon to Join S&P MidCap 400; Marathon Digital Holdings to Join S&P SmallCap 600ByQuantisnow·Wall Street's wire, on your screen.AAON· AAON Inc.MARA· MARA Holdings Inc.PXD· Pioneer Natural Resources CompanySPGI· S&P Global Inc.VST· Vistra Corp.XOM· Exxon Mobil CorporationIndustrialsTechnologyEnergy