Research

Data-Driven Market Research

Evergreen research, ordered by the latest published update.

S&P 500 Breadth, Forward Returns, and Risk: Evidence from 1996–2026

Thirty years of constituent data show little ordering in average forward returns, but a much wider range of outcomes after low-breadth readings.

Research

Equity Market Concentration — A Good Thing?

The Surprising Results

Follow the markets. Every week.

A weekly look at market trends, risk, returns and investment research.

For educational purposes only. This describes historical market data and does not predict future results. It is not investment advice or a recommendation to buy or sell any security. Past performance does not predict future results. All investing involves risk, including loss of principal.