Costco’s sales figures led to differing takes from some analysts about whether the retail giant’s stock is too expensive.

Kirkland Signature is now bigger than some of the world’s biggest companies—and it has become essential to Costco’s business.

Costco accepts most returns without time limits, though there are some exceptions. Electronics have a 90-day return window.

Wondering if now is the time to buy Costco? Spoiler alert -- it's very rarely a bad idea to hold this stock for a few years.

For many, the move reads like nothing more than a money grab on Costco's part to get more people to update to the Executive ...

Costco has added a major bonus to its Executive Membership as of June 30. The giant added an exclusive shopping window for ...

According to research from The Motley Fool, Costco is currently the second-biggest consumer staples company by market cap, ...

Sign up for a 1-year Costco Executive Membership and get a $40 Digital Shop Card while the StackSocial deal lasts.

Costco has published a list of items from its catalog that have been recalled. Most of these products — which include cough ...

Costco has recalled nearly a dozen products in the past several months. Find out which products are affected and how long you ...

Rising prices stressing you out? Me too. Follow these simple dos and don’ts, and you might become a bulk-buying evangelist ...

KALAMAZOO COUNTY, MI — A Michigan State Police trooper who accidentally shot herself while shopping at Costco was found not ...