Table 1: A Sample of Commonly Quoted Stock Market Indexes
Index	Weightings	Sample
Amex Composite	Market-Cap Weighted	All common stocks, ADRs, REITs, master limited partnerships, and closed-end investment vehicles listed on the Amex.
Dow Jones Wilshire 5000	Market-Cap Weighted	All U.S. stocks with readily available prices, designed to represent the performance of all U.S. stocks.
Dow Jones Industrial Average	Price-Weighted	30 of the largest and most widely held firms in the U.S.
NASDAQ Composite	Market-Cap Weighted	All domestic and international common stocks listed on the NASDAQ.
NASDAQ-100	Market-Cap Weighted	100 of the largest domestic and international non-financial companies listed on the NASDAQ.
NASDAQ-100 Equal-Weighted	Equal-Weighted	Same as NASDAQ-100.
NYSE Arca Tech 100	Price-Weighted	100 common stocks and ADRs of technology-related companies listed on U.S.exchanges, designed as a benchmark of companies using technology innovation across a broad spectrum of industries.
NYSE Composite	Market-Cap Weighted	All common stocks listed on the NYSE, including ADRs, REITs and tracking stocks.
Russell 2000	Market-Cap Weighted	Approximately 2,000 of the smallest U.S. securities, designed to measure the performance of small-cap stocks.
S&P 500	Market-Cap Weighted	500 stocks chosen to reflect the risk/return characteristics of large-cap stocks; currently, represents roughly 77% of the total market capitalization of all U.S. stocks.