Lumentum Soars After S&P Rebalance Ahead of Vertiv, EchoStar, and Coherent

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Coherent (COHR), EchoStar (SATS), and Vertiv (VRT) were all added to the index, and today — Monday, March 9, 2026 — is their first full trading day as official S&P 500 members. The index itself is …