<Li> On June 26, 2018, Walgreens Boots Alliance replaced General Electric, which had been a component of the DJIA since November 1907, after being part of the inaugural index in May 1896 and much of the 1886 to 1907 period . </Li> <P> In 1884, Charles Dow composed his first stock average, which contained nine railroads and two industrial companies that appeared in the Customer's Afternoon Letter, a daily two - page financial news bulletin which was the precursor to The Wall Street Journal . On January 2, 1886, the number of stocks represented in what is now the Dow Jones Transportation Average dropped from 14 to 12, as the Central Pacific Railroad and Central Railroad of New Jersey were removed . Though comprising the same number of stocks, this index contained only one of the original twelve industrials that would eventually form Dow's most famous index . </P> <P> Dow calculated his first average purely of industrial stocks on May 26, 1896, creating what is now known as the Dow Jones Industrial Average . None of the original 12 industrials still remain part of the index . They were: </P> <Ul> <Li> American Cotton Oil Company, a predecessor company to Bestfoods, now part of Unilever . </Li> <Li> American Sugar Company, became Domino Sugar in 1900, now Domino Foods, Inc . </Li> <Li> American Tobacco Company, broken up in a 1911 antitrust action . </Li> <Li> Chicago Gas Company, bought by Peoples Gas Light in 1897, now an operating subsidiary of Integrys Energy Group . </Li> <Li> Distilling & Cattle Feeding Company, now Millennium Chemicals, formerly a division of LyondellBasell, the latter of which recently emerged from Chapter 11 bankruptcy . </Li> <Li> General Electric, still in operation, removed from the Dow Jones Industrial Average in 2018 . </Li> <Li> Laclede Gas Company, still in operation as Spire Inc, removed from the Dow Jones Industrial Average in 1899 . </Li> <Li> National Lead Company, now NL Industries, removed from the Dow Jones Industrial Average in 1916 . </Li> <Li> North American Company, an electric utility holding company, broken up by the U.S. Securities and Exchange Commission (SEC) in 1946 . </Li> <Li> Tennessee Coal, Iron and Railroad Company in Birmingham, Alabama, bought by U.S. Steel in 1907; U.S. Steel was removed from the Dow Jones Industrial Average in 1991 . </Li> <Li> U.S. Leather Company, dissolved in 1952 . </Li> <Li> United States Rubber Company, changed its name to Uniroyal in 1961, merged with private B.F. Goodrich in 1986, bought by Michelin in 1990 . </Li> </Ul>

¿cuáles son las 30 empresas que componen el dow jones