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Financial encyclopediaReviewed 2026-10-23

Market Indices

A market index tracks the performance of a specific "basket" of stocks that represent a particular market or economic sector. U.S. examples include the Dow Jones Industrial Average, an index of 30 "blue chip" U.S. company stocks, the Standard and Poor's 500 Index, and the Wilshire 5000 Index, which includes most publicly traded U.S. stocks.

Sources and references ↗
PROFILE / FACT FILE

Concept at a glance

Term
Market Indices [1]
Subject area
Investor.gov glossary [1]
Jurisdiction / scope
US regulatory and investor-education context [1]
Primary reference
SEC · Investor.gov [1]

Definition and explanation

A market index tracks the performance of a specific "basket" of stocks that represent a particular market or economic sector. U.S. examples include the Dow Jones Industrial Average, an index of 30 "blue chip" U.S. company stocks, the Standard and Poor's 500 Index, and the Wilshire 5000 Index, which includes most publicly traded U.S. stocks. [1]

Source-supported connections

Market Indices → Mentioned in the official explanation → Market Index [1]

Frequently asked questions

What does Market Indices mean in the cited reference?

A market index tracks the performance of a specific "basket" of stocks that represent a particular market or economic sector. U.S. examples include the Dow Jones Industrial Average, an index of 30 "blue chip" U.S. company stocks, the Standard and Poor's 500 Index, and the Wilshire 5000 Index, which includes most publicly traded U.S. stocks. [1]

RELATION MAP

Market Indices connection map

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Market Indices

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Links retain their source-specific meaning. Award-time affiliations and links to related reading are not claims about current appointments or economic causation.

Sources and review dates

  1. US SEC · Investor.gov — Market Indices ↗

Reviewed 23 October 2026. Historical dates and award-time affiliations retain their original context. A review date is not an event date. Background sources are identified separately from official records.

Content preparation: source-based compilation with AI assistance. See methods and attribution. Named sources identify the underlying records; no individual expert review is claimed.