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Tag Archives: S&P 500 Top 10 Index

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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Jan 8, 2025

Shifting Tides: Concentration, Dispersion and the S&P 500 Risk Landscape

Since the 2010s, the dynamics of large-cap U.S. equity risks have shifted. Fifteen years ago, the market was dominated by cycles alternating between risk-taking and risk aversion, often referred to as a “risk-on/risk-off” dynamic. A key feature of this period was the higher correlation between stock and sector performance, especially during market downturns. Exhibit 1…

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Nov 25, 2024

The S&P 500 Top 20 Select Indices: A Deep Dive into Mega-Cap Performance

In the first part of this blog series, we introduced the S&P 500® Top 20 Select Indices, including their construction and relevance to the equity market. Now, let’s delve deeper into the indices’ historical performance and relative performance to other similar indices. Perhaps unsurprisingly, the S&P 500 Top 20 Select Indices all had similar cumulative…

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