While the world waits for Wal-Mart to collapse under its own weight, Wal-Mart waits for no one, demonstrating a remarkable capacity to manage the retail lifecycle and keep right on rolling.

Typically, Wal-Mart is not a convenient store to shop, especially if you have want to dash to the store for a handful of products.

I think they have the pulse of things they need to do and things they need to fix going forward.

Costco really focuses on the upscale shopper, more so than the others.