Vertiv Holdings, Lumentum Holdings, Coherent, and EchoStar to Join S&P 500; Others to Join S&P 100, S&P MidCap 400, and S&P SmallCap 600 Mar 6, 2026 05:28PM
S&P announces index changes affecting dozens of companies across three indices Dec 5, 2025 05:20PM
Solstice Advance Materials and Qnity Electronics to join S&P 500 as Honeywell spinoff, Others to Join S&P SmallCap 600 Oct 27, 2025 05:18PM