Amazon is an unstoppable beast, consuming all industries that are ripe for disruption and unfortunate enough to cross its path. On Monday, its latest victim was the struggling food delivery service Blue Apron. Following Amazon’s bombshell announcement of an agreement to acquire the Whole Foods grocery chain for $13.7 billion, stock prices for competitors in the industry have been seesawing for weeks. Kroger, Target, Wal-Mart, and Costco, have all recently felt the Amazon effect.