Marks & Spencers is a well-known British retailer.

Walmart is a dominant retailer in the United States.

with one major retailer saying that this year, they are not selling quite as well as they'd expected.

The 165-year-old retailer in July rejected talks with private investors attempting to take over the company

Not having a product available for purchase, while frustrating for a customer, is potentially disastrous for a retailer.