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Tag Archives: correlation

Mar 19, 2026

Return of the Macro: Declining Dispersion and Climbing Correlations

As we approach the end of the first quarter, the S&P 500® is down 3% QTD, and underneath the surface, there have been significant crosscurrents at play. Concerns about the impact of AI on software companies have been prevalent, with the S&P Software & Services Select Industry Index down 20% QTD, while chipmakers have remained…

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Feb 9, 2026

Tech Tantrums

The past week has been turbulent for Big Tech, with disappointing reactions to earnings from Microsoft, Amazon and Alphabet, while Apple and Meta emerged relatively unscathed after announcing their results. Concerns about growing capital expenditures on AI1 among these giants have led to renewed bubble fears among market participants. In an environment characterized by such…

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Apr 25, 2025

Volatility, Correlation and Dispersion in the S&P 500 Top 20 Select Index

The S&P 500® Top 20 Select Index series launched in August 2024 and is designed to measure the capped market-capitalization-weighted performance of the largest 20 companies, by float market cap, in the S&P 500. Previous blogs introduced the S&P 500 Top 20 Select Indices, covering their construction, objectives and historical performance. This installment examines the…

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