It makes perfect sense. Walmart is pushing into online grocery sales. Amazon tried online grocery sales but had trouble going it alone. Amazon's network of fulfillment centers are too sparse to deliver groceries effectively.

Whole Foods is the ideal chain to acquire. Whole Foods is geographically well-distributed, with over 400 stores across the U.S., whereas most other U.S. grocery chains are regional with a high density of stores in just a handful of states.