Cardinal Health  (CAH - Get Report) shares were down nearly 14% after the company lowered its fiscal 2017 earnings guidance to the bottom of the previous range between $5.35 to $5.50 per share. FactSet expects the company to earn $5.42 per share. 

Additionally, the company announced the purchase of Medtronic's (MDT - Get Report) medical supplies units for $6.1 billion.

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