Occidental Petroleum is a leading U.S. oil and gas producer. Warren Buffett’s Berkshire Hathaway continued to increase its stake last year. The energy company is pursuing large-scale direct air ...

Occidental Petroleum Co. (NYSE: OXY) is known for being one of the largest oil and gas producers in the United States, as well as being Warren Buffet’s favorite stock in the energy sector based ...

In the latest market close, Occidental Petroleum (OXY) reached $49.36, with a +1.09% movement compared to the previous day. The stock exceeded the S&P 500, which registered a gain of 0.55% for the ...

Occidental Petroleum (NYSE:OXY) and its 1PointFive subsidiary said Monday they received approval from the U.S. Environmental Protection Agency for Class VI permits to sequester carbon dioxide from ...