Markets & Economy Illumina and Everpure to Join S&P 500 in September Rebalancing: What it Means for Investors September 7, 2026 · 7:15 pm 1 sources Image: Yahoo Finance ad slot · in-content video 16:9 Coverage More coverageIllumina and Everpure to Join S&P 500 in September Rebalancing: What it Means for InvestorsYahoo Finance · September 7, 2026 19:15