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

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

Evercore ISI Greg Melich said the +6% core compararable sales mark for Costco ( NASDAQ: COST) is tough to talk down on, but ...

Summer holiday shopping reignited Costco Wholesale’s hot streak.The retailer said Wednesday that its net sales rose 8% year ...

Costco shares are rising in Wednesday's after-hours session after the company reported sales results for June.

Shop these 11 Costco deals before they end, featuring discounts on popular electronics, groceries, and home essentials.

Costco Wholesale logged higher sales in June across all regions. The warehouse retailer on Wednesday said sales climbed 8% to $26.44 billion for the five-week period that ended July 6.

Yes,” added another shopper, noting it was “a fun carry on.” Costco shoppers are big fans of the affordable Lifesmart TM4500 ...

Lululemon Athletica claims in its lawsuit filed in the U.S. District Court for the Central District of California that Costco ...

Pueblo Mayor Heather Graham wants to diversify what Pueblo's half-cent sales tax can fund. Could changes bring a Costco or ...

Costco has been a top performer in the consumer goods sector in recent years. The company has a number of a valuable ...