Berkshire Hathaway Berkshire Hathaway

Berkshire Hathaway Chairman and CEO Warren Buffett visits the exhibit floor in Omaha, Neb., Saturday, where company subsidiaries display their products during the annual shareholders meeting. Nati Harnik/AP hide caption

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Nati Harnik/AP

Warren Buffett, CEO of Berkshire Hathaway, drinks a Cherry Coca-Cola prior to the company's annual meeting in Omaha, Neb., in 2010. Daniel Acker/Bloomberg via Getty Images hide caption

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Daniel Acker/Bloomberg via Getty Images

Commemorative ketchup bottles with portraits of Warren Buffett are seen at the exhibition of Berkshire Hathaway companies at the annual meeting in Omaha, Neb., on May 3, 2014. Kraft Foods said it will merge with ketchup maker H.J. Heinz Co., owned by 3G Capital and Berkshire Hathaway Inc, to form the world's fifth-largest food and beverage company. Rick Wilking /Reuters /Landov hide caption

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Rick Wilking /Reuters /Landov