S&P 500 Index Adjustments: Six New Additions Announced
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Dec 05 2025
0mins
Source: PRnewswire
- Index Adjustments: The S&P 500 will add six companies, including CRH, Carvana, and Comfort Systems USA, effective December 22, 2025, aiming to enhance the index's representation of market capitalization ranges, thereby increasing its investment appeal.
- Small-Cap Changes: The S&P SmallCap 600 will remove several companies, such as SPX Technologies and Dycom Industries, indicating these firms no longer represent the small-cap market, which may influence asset allocation strategies for investors.
- Mid-Cap Updates: The S&P MidCap 400 will add companies like UL Solutions and Pinterest, enhancing its representation in the industrial and communication services sectors, potentially attracting more mid-cap investors.
- Market Impact: These adjustments will affect investment portfolios across multiple sectors, particularly in materials and consumer goods, prompting investors to monitor the potential implications for market liquidity and sector performance.
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About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
