Investors·2026-03-07 01:16Core Viewpoint - Nvidia-related AI stocks Vertiv (VRT), Lumentum (LITE), and Coherent (COHR) will be added to the S&P 500 index on March 23, alongside Echostar (SATS), as part of the quarterly rebalancing [1] Group 1: Stock Performance - Vertiv stock increased by 5.2% in after-hours trading, despite a 5.1% decline during the week to $241.78, maintaining above its 21-day moving average [1] - Lumentum stock rose by 1.7%, while Coherent stock saw a slight increase of 0.5% [1] - Echostar stock climbed 3.2% after hours, recovering from an 8% drop to $106.24 last week [1] Group 2: Nvidia Investments - Nvidia invested $2 billion each in optical companies Lumentum and Coherent, which are partners in AI infrastructure [1] Group 3: Index Changes - The new additions to the S&P 500 will replace Match Group (MTCH), Molina Healthcare (MOH), Lamb Weston (LW), and Paycom Software (PAYC) [1] - Micron Technology (MU), Lam Research (LRCX), Applied Materials (AMAT), and GE Vernova (GEV) will join the S&P 100 index, replacing Target (TGT), Metlife (MET), PayPal (PYPL), and American International Group (AIG) [1]