Costco’s $86 billion Kirkland Signature brand went against industry standards when it was launched in 1995. WSJ breaks down why the private label is now the retail behemoth’s secret weapon.

Costco has officially confirmed a month-long rumor that the wholesale club will officially swap out Pepsi for Coca-Cola products at its food courts, prompting excitement among some of its customers.

Costco has been testing checkout technology it hopes will speed up the checkout process, something members rank as one of their significant concerns with the warehouse retailer. CEO Ron Vachris ...