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Investing basics

Plain-English guides to how investing works, from index funds to the research on who actually beats the market.

Treemap of all 503 companies in the S&P 500, sized by their weight in the SPY fund, with Nvidia, Apple and Microsoft as the largest tiles.Latest · Investing basics

Most fund managers don't beat the S&P 500

Over the past 15 years, about 90% of U.S. large-cap funds did worse than the S&P 500. This guide explains what an S&P 500 index fund actually holds, why it has been so hard for professionals to beat, and how far it has fallen in the past.

Oscar Moncada · · 9 min read

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