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Strategy Report

E Pluribus Unum: From Many Factors To One

by Noah Weisberger, Head of Equities   Henry Tang, Research Analyst  

The S&P 500 has become increasingly concentrated. We know that. But the critical question is not how many stocks are driving the market; it is how many factors are driving stocks. We define an AI risk factor to test whether AI has become the dominant common exposure throughout much of the factor zoo.

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