The S & P Index's September adjustment list announced that many technology stocks entered the core index

On September 5, S & P Dow Jones Indices announced adjustments to a number of index components, involving the S & P 100, S & P 500 and S & P Mid-Cap 400. The relevant adjustments will take effect on September 21, 2026. Among them, the S & P 100 index added PaloAltoNetworks, AristaNetworks, SanDiskNetworks and DellTechnologies, while Nike, Colgate-Palmolive and Honeywell Aerospace will be eliminated. For the S & P 500 index, BloomEnergy, Illumina and Everpure will be included in the index. In the S & P Mid-Cap 400 Index, HubSpot, AGNC, Corcept and Brinker will become new constituents.