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Understanding Stock Market Indices: What They Are and Why They Matter

By user on July 11, 2025

This blog dives deep into the concept of stock indices like the S&P 500, Dow Jones, Nasdaq, KSE-100, etc., explaining:

  • What an index is and how it’s created
  • Why indices are used as market benchmarks
  • How indices reflect overall economic health
  • The difference between price-weighted and market-cap-weighted indices
  • How index funds track performance
  • Famous indices around the world and what they tell us
  • How to use indices to guide investment decisions
  • Historical returns of major indices compared to individual stocks

This post simplifies technical concepts and empowers readers to understand and track indices confidently.