Lululemon is accusing Costco of stealing from its "path-breaking" brand by selling dupes of its sweatshirts, jackets and ...

In a lawsuit filed Friday, Lululemon claimed Costco was violating its patents by selling “knockoff” versions of its pants, ...

Lululemon is suing Costco, alleging that the discount wholesaler is selling knockoffs of its $128 pants and other pricey ...

Costco members with the pricier executive membership saw an old perked revived Monday, June 30: early entrance. The ...

Costco’s Executive Membership costs $130 a year for two membership cards. Executive Member benefits include 2% rewards on ...

Costco is extending its Saturday hours for all customers and allowing its top-tier members to have up to an additional hour ...

Costco warehouses will implement new hours beginning June 30 for its upper-level members. Here's what these changes will ...

Costco partnered with a company founded by former SpaceX engineers to provide fast electric vehicle charging services to ...

Early morning shopping runs are about to get a lot easier for some Costco members. Starting June 30, the retailer is opening ...

Lululemon's leggings are well-known and highly prized. They're also pretty costly. However, now the company is taking aim at ...