LOS ANGELES -- Costco is expanding the collection of precious metals it sells, with the addition of platinum. The big-box chain is now selling Swiss-made 1 oz. platinumbars for $1,089.99 on ...
(CNN) - Costco is now selling platinumbars for more than $1,000. The Swiss-made, one-ounce bars retail for $1,090 on the big box chain’s website. A Costco membership is required. The ...