Colombian President Gustavo Petro orders Ecopetrol to cancel its $1.5 billion joint venture with Occidental Petroleum due to ...

Warren Buffett recently bought shares in Occidental Petroleum, Sirius XM and VeriSign. Berkshire Hathaway now holds over 10% ...

Environmentalists are worried the state — known for a lax approach to regulation — is not prepared for the added ...

The Colombian president has goaded Trump by claiming cocaine is “no worse than whisky” amid the U.S. border crackdown. ...