Buffett's Berkshire makes bet on US airlines

Warren Buffett's Berkshire Hathaway Inc (BRKa.N) on Monday said it has bought shares in the four biggest U.S. airlines: American Airlines Group Inc (AAL.O), Delta Air Lines Inc (DAL.N), Southwest Airlines Co (LUV.N) and United Continental Holdings Inc (UAL.N).

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In a regulatory filing, Berkshire said it owned $797 million of American, $249.3 million of Delta and $237.8 million of United shares, as of Sept. 30. Buffett told CNBC television that Berkshire has also invested in Southwest.

Shares of all four carriers rose in after-hours trading after Berkshire disclosed its investments.

(Reporting by Jonathan Stempel in New York; Editing by Bill Rigby)

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