Earnings season is picking up and  results are driving big share price pop and drops in companies that are beating or missing on forecasts.

Today, ConMed Corp (NASDAQ:CNMD), Quidel Corp. (NASDAQ:QDEL), Neogen (NASDAQ:NEOG), and Vascular Solutions (NASDAQ:VASC) are among health care's biggest movers and shakers.


Source: Vascular Solutions

In the following slideshow, I address the key reasons behind each of these companies surge or purge.

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Todd Campbell has no position in any stocks mentioned. Todd owns E.B. Capital Markets, LLC. E.B. Capital's clients may or may not have positions in the companies mentioned. Todd owns Gundalow Advisors, LLC. Gundalow's clients do not have positions in the companies mentioned. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.