The Dow Jones Transportation Average (DJTA) is a stock market index which tracks the performance of 20 key stocks of transportation sector companies which are headquartered in the United States.
Initially created by journalist Charles Dow, the Dow Jones Transportation Average and the Dow Jones Industrial Average are considered to be two of the most important indexes of U.S. economic performance. The index is price-weighted.
Stocks tracked by the index include those of companies engaged in freight transportation (trucking, maritime freight, railroads), logistics (courier services, supply chain management) and passenger transportation (airlines, car rentals).
See also: Dow Theory
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