The Reason Warren Buffett Bought National Oilwell Varco

Warren Buffett recently added National Oilwell Varco to Berkshire Hathaway’s portfolio. This company is part of the oil and gas industry, and they have many different products and services that support this business. Some of the things they do include downhole solutions, corrosion and tubular control, handling and lifting, industrial work, production work, supply chain, …

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