Key Takeaways Warren Buffett’s Berkshire Hathaway has boosted its stake in Occidental Petroleum to almost 29%. Berkshire bought Occidental Petroleum…
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Key Takeaways Occidental Petroleum shares are in focus on Monday after a regulatory filing released late Friday revealed that Berkshire…
Read More »A new study from the University of Hawai’i at Manoa shows that chlorine mixed with petroleum in water can potentially…
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