Warren Buffett's Buying Spree of Occidental Petroleum Stock Continues - $OXY

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Occidental Petroleum stock is down Wednesday as Berkshire Hathaway ramps up its stake in the oil company.

The Warren Buffett-backed conglomerate owns 24.9% of Occidental Petroleum after buying about $275 million of stock in the energy company recently, Barron's reports.

The firm procured 4.66 million shares of Occidental Petroleum on Thursday, Friday, and Tuesday in the open market, bringing its total ownership to 222 million shares worth $13 billion.