Interest in precious metals has grown so much that even big-box stores like Costco have begun selling gold and silver bars ...

Silver coins are highly prized by dealers and collectors — not just because of their silver content, but also because they tend to be scarcer than coins minted with copper, nickel, zinc and ...

It's true. Costco began selling one-ounce gold bars last year and now members of the warehouse club can purchase silver coins as well. Deciding to add gold and silver to their inventory was a ...