Berkshire now owns 264 million Occidental shares worth about $12 billion, a 28% stake in the big U.S.-focused energy company.

Occidental Petroleum ( OXY) Fell to its lowest level in more than six weeks following a downgrade from Goldman Sachs. The ...

Occidental Petroleum Corp. closed 34.47% below its 52-week high of $71.19, which the company reached on April 12th.

Peter Dreier, an urban and environmental policy professor at Occidental College, joins The Excerpt to discuss the worsening ...

Occidental Petroleum (OXY) and Magnolia Oil & Gas (MGY) are falling 4% and 3%, respectively, after Goldman Sachs downgraded ...

Goldman Sachs downgrades MGY and OXY, reinstates coverage on EXE. MGY's outperformance reflected in current stock price, ...