Another month in 2014 has drawn to a close -- as has another week of horrendous performances by several health-care stocks. February is the shortest month of the year, but its final week proved to be quite a long one for some investors.

One of this week's big losers announced a secondary share offering that will lead to dilution of its stock. Another felt the brunt of allegations by a prominent short seller. And the third of our worst-performing companies did it the old-fashioned way -- by disappointing investors with its quarterly results.

Which companies made this week's list of horrendous health-care stocks? Find out by watching the following slideshow.

 

 

Keith Speights and The Motley Fool have no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.