
The companys financial filings also showed that Berkshire had dramatically increased its investment in the oil company giant Chevron to nearly $26 billion at the end of the first quarter, up from jus… [+2539 chars]

The companys financial filings also showed that Berkshire had dramatically increased its investment in the oil company giant Chevron to nearly $26 billion at the end of the first quarter, up from jus… [+2539 chars]