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.

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

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

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

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.

Lululemon is suing Costco in federal court, alleging that the retailer is selling unauthorized knock-offs of its apparel. The ...

Lululemon has filed a lawsuit against Costco claiming that the membership-based wholesale retail company sold similar ...

Costco’s sales figures led to differing takes from some analysts about whether the retail giant’s stock is too expensive. Costco’s monthly sales growth accelerates, following a slowdown.