3 Surging Stocks Just Got the Ultimate Stamp of Approval From the S&P 500

Core Insights - The S&P 500 Index is a key benchmark for large-cap U.S. stocks, with quarterly reassessments leading to changes in its composition [2] - Inclusion in the S&P 500 is viewed as prestigious and can attract investor attention, potentially leading to short-term stock price increases due to demand from tracking funds [3][5] Group 1: S&P 500 Inclusion - Comfort Systems USA, Carvana, and CRH are set to be added to the S&P 500 on December 22, following significant growth in their respective sectors [4][5] - To qualify for the S&P 500, companies must have a market capitalization of at least $18 billion, be U.S.-based or have a primary U.S. listing, maintain adequate liquidity, report positive earnings, and represent their sector's performance [6] Group 2: Company Performance - Comfort Systems USA's stock saw a total return of approximately 123% in 2025, with a market capitalization reaching $33 billion, driven by demand in the data center market [5][7] - Carvana is gaining market share from CarMax, indicating strong competitive positioning in the automotive sector [5] - CRH and Comfort Systems are benefiting from increased demand in the data center market, highlighting the growth potential in this area [5]