In the past, Buffett, the billionaire chairman of Berkshire, cautioned against investing in the metal because it’s not productive like a farm or a company. Now, gold miners are benefiting from surging bullion prices that are boosting profit margins as costs of production have steadied, making them increasingly attractive investments. Large miners including Barrick and Newmont Corp. have been hoping to woo back generalists who fled the sector years ago.
Paulson & Co…
