Colombian energy company Ecopetrol said on Monday it has reached an agreement to renew its oil joint venture with Occidental ...

Occidental Petroleum Corporation's share price underperformed due to Goldman Sachs' downgrade. Click here to read why I rate ...

Occidental Petroleum Corp. (NYSE: OXY) is rewarding its shareholders once again with a quarterly dividend of $0.22, payable on Wednesday, Jan. 15. That is in line with the prior payout.