The Omaha, Nebraska-based conglomerate scooped up 763,000 shares of the Houston-based oil and gas producer on Friday for ...
Occidental Petroleum (NYSE:OXY) +0.8% pre-market Wednesday after Berkshire Hathaway (BRK.A) (BRK.B) made a small purchase of the energy company, increasing its stake to 28.3%. On February 7, Warren ...
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