What a rotten few days for health care stocks! You couldn't count the number of double-digit decliners on your fingers even if you had three hands. And these three health-care stocks were among the worst performers -- with each falling over 20%.

One of the week's big losers announced a disappointing clinical update for its lead drug. Another saw its stock drop because of that same disappointment. The third health-care stock in the negative 20% club had good news from a court decision, but bad news from a positive Food and Drug Administration decision benefiting a competitor carried a more significant impact.

Which three health-care stocks were really crushed by the market this week? Find out by watching the slideshow below.