Much has been written about Amazon’s $13.4 billion acquisition of Whole Foods Market that was announced on Friday, June 16. There are all sorts of theories about Amazon’s strategy and the brilliance (or folly) of combining the powerhouse online retailer with a traditional retail grocery chain. But for purposes of this post, we’re going to take a step back and look at the impact of the two externally-driven events on the stock prices of other players in the industry.