Kirkland Signature is now bigger than some of the world’s biggest companies—and it has become essential to Costco’s business.

THEY say imitation is the sincerest form of flattery, but what happens when it veers into outright theft? Read more at The ...

Shoppers are souring on Lululemon — and the once-thriving yoga chain is meanwhile getting squeezed by new rivals. The pricey retailer known for its $100 leggings has been discounting at “alarming ...

Daily puzzles, including the New York Times Crossword.