Napa County’s first Costco opened Friday morning to a long line of excited customers. One of our Napa reporters, who had ...

A special guest cut the ribbon at 7:30 a.m. Friday and people rolled in, led by whiskey enthusiasts who had been camping ...

If you're self-employed or don't have generous vision insurance coverage through work, Costco Optical can help you save money on out-of-pocket costs for eye care. (And my local Costco Optical ...

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 ...

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. platinum bars for $1,089.99 on its website, but a ...

Each month, 15.4 million copies of Costco Connection are mailed out to members. Another 300,000 are distributed via Costco ...

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 ...