Amid a report in the Wall Street Journal about a potential Walgreens Boots Alliance (WBA) takeover of AmerisourceBergen (ABC) , TheStreet's founder and Action Alerts PLUS Portfolio Manager Jim Cramer said:

"[Walgreens] may think they can diversify away from the front of the store being attacked by Amazon (AMZN) , but Amazon's going after the back of the store."

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

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