The Dow Jones Industrial Average, an American stock index composed of 30 large companies, has changed its components 58 times since its inception, on May 26, 1896.[1] As this is a historical listing, the names here are the full legal name of the corporation on that date, with abbreviations and punctuation according to the corporation's own usage. An up arrow (↑) indicates the company is added. A down arrow (↓) indicates the company is removed. A dagger (†) indicates a change of corporate name.
The index change was prompted by DJIA constituent Walmart Inc.’s decision to split its stock 3:1 thereby reducing Walmart’s index weight due to the price weighted construction of the index. Walmart will remain in the DJIA.[2]
Only name changes occurred. AlliedSignal Incorporated merged with and changed its name to Honeywell International. Exxon Corporation changed its name to Exxon Mobil Corporation upon merging with Mobil, J.P. Morgan & Company changed its name to JPMorgan Chase & Co., Minnesota Mining & Manufacturing changed its name to 3M Company, and Philip Morris Companies Inc. changed its name to Altria Group, Incorporated.
November 1, 1999
Alcoa Inc. † (formerly Aluminum Company of America)
Chevron, Goodyear, Sears Roebuck, and Union Carbide were replaced by Home Depot, Intel, Microsoft, and SBC Communications. Travelers and Citicorp merge under the name Citigroup.
Bethlehem Steel, Texaco, Westinghouse, and Venator (then known as Woolworth; name changed to Foot Locker in 2001) were replaced by Hewlett-Packard, Johnson & Johnson, Travelers Group, and Wal-Mart Stores.
May 6, 1991
Allied-Signal Incorporated
Eastman Kodak Company
Minnesota Mining & Manufacturing Company
Aluminum Company of America
Exxon Corporation
Philip Morris Companies Inc.
American Express Company
General Electric Company
The Procter & Gamble Company
AT&T Corporation † (formerly American Telephone and Telegraph Company)
American Can, Navistar, and USX were replaced by Caterpillar, J.P. Morgan, and Walt Disney. American Telephone and Telegraph Company changed its name to AT&T Corporation.
March 12, 1987
Allied-Signal Incorporated
Eastman Kodak Company
Navistar International Corporation † (formerly International Harvester Company)
Inco and Owens-Illinois were replaced by Boeing and Coca-Cola. International Harvester changed its name to Navistar International Corporation and U.S. Steel changed its name to USX Corporation.
October 30, 1985
Allied-Signal Incorporated † (formerly Allied Chemical Corporation)
American Tobacco and General Foods were replaced by McDonald's and Philip Morris. After merging with Signal Corp., Allied Chemical changed its name to Allied-Signal Incorporated and Standard Oil of California changed its name to Chevron Corporation.
Anaconda Copper was replaced by Minnesota Mining & Manufacturing. International Nickel changed its name to Inco, Swift & Company changed its name to Esmark, Standard Oil (NJ) changed its name to Exxon Corporation, United Aircraft changed its name to United Technologies Corporation.
June 1, 1959
Allied Chemical Corporation † (formerly Allied Chemical and Dye Corporation)
American Smelting, Corn Products, National Distillers, and National Steel were replaced by Aluminum Company of America, Anaconda Copper, Owens-Illinois, and Swift. Texas Company changed its name to Texaco Incorporated. Allied Chemical and Dye Corporation shortened its name to Allied Chemical Corporation.
Hudson Motor, Liggett & Myers, Mack Truck, NCR, Paramount Publix, Radio Corp, Texas Gulf Sulphur and United Air Transport replaced by American Tobacco, Coca-Cola, Drug Inc., International Shoe, IBM, Loew's, Nash Motors, and Procter & Gamble.
American Sugar, American Tobacco, Atlantic Refining, Curtiss-Wright, General Railway Signal, Goodrich, and Nash Motors replaced by Borden, Eastman Kodak, Goodyear, Hudson Motor, Liggett & Myers, Standard Oil of California, and United Air Transport.
The index was expanded to thirty companies. American Car and Foundry, American Locomotive, AT&T, United Drug, U.S. Rubber, and Western Union were replaced. Atlantic Refining, Bethlehem Steel, Chrysler, General Railway Signal, Goodrich, International Nickel, Nash Motors, North American, Postum Incorporated, Radio Corporation of America, Standard Oil (NJ), Texas Gulf Sulphur, Union Carbide, Victor Talking Machine, Westinghouse Electric, and Wright Aeronautical were added. Paramount Famous Lasky Corporation changed its name to Paramount Publix.
Anaconda Copper, Baldwin Locomotive, DuPont, Standard Oil of California, and Studebaker were replaced by General Motors, International Harvester, Kennecott, Texas Co., and U.S. Realty.
The index was expanded to twenty companies. General Motors, National Lead, Peoples Gas and U.S. Steel (Preferred) were removed. American Beet Sugar, American Can, American Locomotive, AT&T, Baldwin Locomotive, Goodrich, Republic Iron, Studebaker, Texas Company, Utah Copper, Western Union, Westinghouse Electric were added.
American Cotton Oil, American Steel & Wire, Federal Steel, General Electric, and Pacific Mail Steamship replaced by Amalgamated Copper, American Smelting, International Paper, U.S. Steel, and U.S. Steel (Preferred).
American Spirits, American Tobacco, Laclede Gas, and Standard Rope replaced by American Steel & Wire, Continental Tobacco, Federal Steel, and General Electric.
Only American Sugar carried over from the precursors.
Precursors to the DJIA
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