Markets

Looking through Warren Buffett's eyes

After Warren Buffett's Berkshire Hathaway agreed, with a partner, to buy Heinz for $28bn, the hunt is on for the Sage of Omaha's next target. James Mackintosh, investment editor, says Buffett prefers safety to a bargain, but notes that Berkshire has underperformed the market - and Heinz - over the past decade.