The popular athleisure fashion brand is accusing the wholesale giant of selling knockoff versions of a variety of the brand's most popular hoodies, jackets and pants.

Lululemon Athletica claims in its lawsuit filed in the US District Court for the Central District of California that Costco has “unlawfully traded” on its reputation, goodwill and sweat equity by ...

The high-end athleticwear brand Lululemon is suing the member-only warehouse Costco for producing and selling clothing that looks like their own at slashed prices. Lululemon filed its ...

Nike ( NKE 3.38%) stock jumped 17% in June, according to data from S&P Global Market Intelligence. The market was happy with ...

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

Consumer companies rose amid mixed signals on the outlook for spending.

lululemon athletica inc. (NASDAQ: LULU) is a designer, distributor, and retailer of athletic apparel, footwear, and ...

Vancouver-based Lululemon asserts that Costco sells apparel that mimics the look and feel of its products.

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

The Canadian athleisure brand has accused the warehouse club operator of copying at least six of its products, including its ...