The Ticker Tape, Stock Indices, and Other Media 101 · The Dow Jones Average is the most popular indicator of the U.S. stock market's health. One of its four components, the Dow Jones Industrial Average, is used synonymously with the New York Stock Exchange. · Composite indices such as the NASDAQ National Market System Composite Index, the AMEX Market Value Index, and the New York Stock Exchange Composite Index measure their re- spective markets through the average of varying numbers of stock which are best thought to represent the respective market. · Indices can range from the 30 that compose the Dow Jones Industrial Average to the 1,000 to 2,000 of the Russell indices to the biggest of them all, the Wilshire 5000 composed of all the quoted stocks on the NYSE, AMEX, and NASDAQ markets. · Various media, including TV and radio, publications, and the Internet, provide a wealth of finan- cial information and should be used freely by newer investors.