Warren Buffett Once Called Berkshire The 'Opposite Of Those Who Hurry To Sell' — Now He's Offloading Apple And Snapping Up Occidental Petroleum Amid A 20% Drop

Warren Buffett's Berkshire Hathaway Inc. has significantly increased its stake in Occidental Petroleum Corp. through five purchases last week, seemingly diverging from the legendary investor's long-held investment principles regarding declining stocks.