In his annual letter to shareholders, Terry Smith argues that passive funds function as momentum strategies, creating a self-reinforcing cycle that inflates large-cap stock valuations.
In this interview, Francois Rochon, CIO of Giverny Capital, discusses how a handful of dominant companies—such as Amazon, Apple, Microsoft, and Nvidia—have significantly influenced the S&P 500’s performance in recent years. Their rapid growth has increased their weighting in the index, encouraging more investors to adopt indexing strategies, which further reinforces their dominance.