At the store where everything is sold in bulk, more precious metals are being sold as Costco adds platinum to its lineup. The company sold more than $100 million in gold bars in a three-month ...

After strong consumer interest in its gold bars, Costco is polishing plans to offer another precious metal: platinum bars. The retail giant is now offering one-ounce bars of platinum, but the ...

Costco is again venturing into the precious metals market, expanding its offerings beyond the gold and silver bars it sold to great success. The retail giant now offers 1-ounce platinum bars for $ ...

Costco is expanding its precious metals offerings, building on top of its rollout last year of gold bars, which often sold out within hours. The retailer is now adding 1-ounce platinum bars to its ...

The wholesale retailer — which has gotten a massive boost from peddling gold bars — announced Wednesday it will sell 1-ounce platinum bars on its website for $1,089.99 each. The company will ...