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How to Invest in Index Funds: A Beginner's Guide

By Matthew Frankel, CFPUpdated Mar 5, 2026 at 4:28 PM EST | Fact-checked by Frank Bass

Key Points

  • Index funds track major financial indexes, enabling broad market investment without picking individual stocks.
  • Investing in index funds involves choosing an index, selecting a low-cost fund, and buying shares through a brokerage.
  • Returns from different index funds vary, stressing the importance of a diversified investment approach for stability.

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