TheStreet's founder and Action Alerts PLUS Portfolio Manager Jim Cramer reflects on the one-year anniversary of Amazon's (AMZN) announcement of Whole Foods, which occurred on June 16, 2017.

"Amazon is using it as a lab - they're approaching it very methodically - they're lowering prices," Cramer noted, adding that Amazon is indifferent to price. 

Want exclusive investing insight from Jim Cramer? Get 24/7 access to Jim's charitable trust portfolio with a free trial to Action Alerts PLUS!