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The rivalry between Sam’s Club and Costco comes close to what you find in college sports.



1. What things did the Sam’s Club CEO say were learned about Black Friday?
2. What happened to CostCo stock versus Sam’s Club Stock in 2015?
3. What are the differentiation strategies that Sam’s Club is implementing?

Long, H. (2015). Americans are saying ‘supersize me’ again. CNN:Money – Stockswatch, Dec. 11 (Retrievable online at