© Reuters. FILE PHOTO: The logo for Occidental Petroleum is displayed on a screen on the floor at the New York Stock Exchange (NYSE) in New York, U.S., April 30, 2019. REUTERS/Brendan McDermid/File Photo
(Reuters) – Berkshire Hathaway (NYSE:) acquired nearly 10.5 million shares of Occidental Petroleum (NYSE:) so far this week for about $588.7 million, according to a filing at the U.S. Securities and Exchange Commission on Wednesday.