How Occidental Petroleum Captured Warren Buffett's Eye - WSJ
Warren Buffett buys another $127 million worth of Occidental Petroleum stock - The San Diego Union-Tribune
Berkshire Hathaway hikes Occidental Petroleum stake after new purchases (NYSE:OXY) | Seeking Alpha
Stream episode Warren Buffett Investing Billions Into Occidental Petroleum With Prince Dykes by The Investor Show podcast | Listen online for free on SoundCloud
Why Warren Buffett, Berkshire Bet $25 Billion on Chevron, Occidental
Warren Buffett gets permission to buy up to half of Occidental Petroleum, boosting the shares
OXY: Here's Why Warren Buffett Is So Bullish on Occidental Petroleum?
Warren Buffett Just Bought All the Occidental Petroleum (OXY) Shares He Could | Moneywise
Buffett's company buys more shares of Occidental Petroleum, now owns more than 25% - Fort Worth Business Press
Warren Buffett's Berkshire Hathaway ups stake in Occidental Petroleum, again | Fox Business
Berkshire Hathaway boosts stake in Occidental Petroleum to 24.4% | Reuters