World Stock Market Indexes
An index tracks a basket of stocks to measure how a market or segment of it is performing. Explore how the world's most-followed benchmarks are built.
United States
S&P 500
Tracks roughly 500 of the largest publicly traded U.S. companies, weighted by market capitalization. Widely used as the primary benchmark for the overall U.S. stock market.
United States
Nasdaq Composite
Includes essentially every stock listed on the Nasdaq exchange, with a heavy tilt toward technology and growth companies.
United States
Dow Jones Industrial Average
One of the oldest U.S. stock market indexes, tracking 30 large, well-established companies chosen to represent the broader economy.
United States
Russell 2000
Tracks approximately 2,000 small-cap U.S. companies, making it the most widely followed benchmark for smaller, domestically focused businesses.
United Kingdom
FTSE 100
Tracks the 100 largest companies listed on the London Stock Exchange by market capitalization.
Japan
Nikkei 225
Japan's most widely cited stock index, tracking 225 large, established companies listed on the Tokyo Stock Exchange.
India
BSE Sensex
Tracks 30 large, financially sound companies listed on the Bombay Stock Exchange, serving as India's oldest broad market benchmark.
India
Nifty 50
Tracks 50 large-cap companies listed on the National Stock Exchange of India, and alongside the Sensex is one of India's two primary equity benchmarks.