CVS Health beat on both the top and bottom lines.
But the high end of its full-year profit guidance fell short of Wall Street estimates.
The company said its integration with Aetna will cause some headwinds in 2019.
Watch CVS Health trade live.
CVS Health was down more than 7% to $64.88 a share early Wednesday after delivering disappointing full-year earnings guidance.
The drug-store giant reported adjusted earnings of $2.14 a share in the fourth quarter, beating the Bloomberg consensus by...
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