Standard Oil an "unreasonable" monopoly under the Sherman Antitrust Act, Section II. It ordered Standard to break up into 34 independent companies with different boards of directors, the biggest two of the companies were Standard Oil of New Jersey (which became Exxon) and Standard Oil of New York (which became Mobil). Standard's president, John D. Rockefeller, had long since retired from any management role. But, as he owned a quarter of the shares of the resultant companies, and those share values mostly doubled, he emerged from the dissolution as the richest man in the world. The dissolution had actually propelled Rockefeller's personal
Standard Oil ruled in 1911 that antitrust law required Standard Oil to be broken into smaller, independent companies. Among the "baby Standards" that still exist are ExxonMobil and Chevron. Some have speculated that if not for that court ruling, Standard Oil could have possibly been worth more than $1 trillion in the 2000s. Whether the breakup of Standard Oil was beneficial is a matter of some controversy. Some economists believe that Standard Oil was not a monopoly, and also argue that the intense free market competition resulted in cheaper oil prices and more diverse petroleum products. Critics claimed that success in meeting