Occidental Petroleum Corp. NewsLatest News On Occidental Petroleum Corp. Occidental Petroleum quarterly earnings down 48%, misses estimates5/9/2023 8:20 PM Occidental Petroleum stock surges after upgrade at TD Cowen, which includes large investment by Warren Buffett’s Berkshire Hathaway as a reason to be bullish3/28/2023 8:48 AM Half of announced North American oil cuts come from just three companies4/17/2020 4:06 PM North American oil companies slash spending to cope with $30/bbl crude3/10/2020 10:55 PM Court tosses Carl Icahn's lawsuit seeking Occidental acquisition records11/14/2019 10:53 PM Occidental finance chief pledges to act quickly to pare acquisition debt8/12/2019 6:02 PM Occidental Petroleum CEO defends premium for Berkshire Hathaway investment5/10/2019 3:10 PM Occidental: Skipping shareholder merger vote will make its Anadarko bid superior to Chevron's5/6/2019 11:29 AM