Lululemon has filed a lawsuit against Costco that accuses the wholesale club operator of selling lower-priced duplicates of ...

Lululemon alleges that Costco is selling knockoff versions of its activewear under the warehouse-club chain’s Kirkland ...

Fashion “dupes,” or less expensive versions of high-end clothing and other accessories, are just about everywhere these days.

This was the stock's fourth consecutive day of gains.

Lululemon filed a lawsuit against Costco, claiming the company has been selling lower-priced duplicates of some of its ...

The athleisure company alleged in a lawsuit that Costco is selling discounted "dupes" of some of Lululemon's most popular ...

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