Check out the companies making the biggest moves midday: Cigna — Shares of the health insurance company after management said during an earnings call that it expects its pharmacy benefit services division to face margin pressure in the next few years. Cardinal Health — The drug and medical equipment distributor surged more than 12% on the heels of better-than-expected fiscal first-quarter results. Cardinal Health posted adjusted earnings of $2.55 per share on $64 billion in revenue, above the $2.18 per share and $59 billion in revenue that analysts were estimating, according to LSEG data. Cardinal also raised its full-year earnings guidance. CVS — The pharmacy benefit manager and drug store chain fell more than 4%. Management on its latest quarter earnings call warned that it is "taking a

See Full Page