However, Berkshire seems to remain confident in the utility and energy sectors, as evidenced by its sizable positions in Chevron and Occidental Petroleum, as well as a decision to buy the remaining 8% stake in Berkshire Hathaway Energy (or BHE, for short) -- giving Berkshire total control of the entity.

Berkshire Hathaway will take full ownership of Berkshire Hathaway Energy, after the unit of Warren Buffett's conglomerate agreed to pay $2.37 billion for the 8% stake owned by the family of late billionaire philanthropist Walter Scott.

Warren Buffett's Berkshire Hathaway is buying the rest of its utility unit from the estate of a longtime board member who died three years ago, but it's not clear exactly how much it will pay for the 8% stake.