If you're planning to buy gold at Costco's warehouse stores, you may need a backup plan. Here's where else to look.

There are plenty of items to load up in your shopping cart at Costco -- but gold bars shouldn't be one of them.

Newmont Corp., one of the largest mining operations in the world, announced early Wednesday it will be minting a traceable gold bar through MKS PAMP, of Switzerland, using Provena

Retailers like Costco and Walmart are selling precious metals including platinum bars, driving a new demand for precious metals.