A pair of heeled mules is a relaxed staple for summer outfits for work. They have an easy slip-on design, and the classic tan colour will go with everything from laid-back denim on the weekends to ...

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

Costco has been accused of selling “knockoffs” or “dupes” of Lululemon’s clothing. (John Keeble/Getty Images) Lululemon’s lawsuit also comes after articles in the Washington Post and The New York ...

As Penguin celebrates its 90th birthday, CEO Tom Weldon reflects on how far the business has come, from founder Allen Lane’s first series of affordable books to the cultural institution of today.