Key points
S&P 500 sector weights, Dec 1999 vs Oct 2026 ｜ Tech plus communication services rose to 46% from 37%, with Info Tech alone at 37%
Image source: @RyanDetrick
2026-11-08
Tech + Comm Services Make Up 46% of the S&P 500, Up From 37% in 1999
S&P 500 sector weights, Dec 1999 vs Oct 2026 ｜ Tech plus communication services rose to 46% from 37%, with Info Tech alone at 37%
Image source: @RyanDetrick