Investor Warren Buffett's company bought another $127 million worth of Occidental Petroleum stock over the past week to...

Billionaire Warren Buffett's company bought more than $200 million more Occidental Petroleum stock over the past week to...

The Biden administration plans to release 15 million barrels of oil from the U.S. strategic reserve to counter recent pr...

Warren Buffett's Berkshire Hathaway now controls nearly 20% of Occidental Petroleum's stock after picking up another $25...

Australia’s Woodside Petroleum says it is withdrawing from projects in strife-torn Myanmar, following a similar decision...