Berkshire Hathaway Again Boosts Its Stake in Occidental Petroleum - Barron's

Aggressive buying spurs speculation that Berkshire CEO Warren Buffett may ultimately want to purchase the entire energy company.

Berkshire Hathaway continued to add to its large stake in Occidental Petroleum in recent days and now holds a $7.2 billion interest in the big energy company, according to a filing late Wednesday. B… [+206 chars]

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