"Warren Buffett Increases Investment in Occidental Petroleum Despite Industry Turmoil"

Berkshire Hathaway, led by Warren Buffett, has increased its stake in Occidental Petroleum to about 23.1%, according to a regulatory filing. The company paid about $466.68 million for 7.9 million Occidental shares between March 13 and March 15. Berkshire Hathaway now owns about 208.04 million Occidental shares worth $11.81 billion. This is the second purchase of Occidental shares disclosed by Berkshire Hathaway after a gap of five months.