During trading today, both the Health Care sector (XLV) and the S&P500 showed little movement.

CorVel Corporation (CRVL) fell 7.5% to close at $41.08, crossing its 50-day moving average of $41.80. Meanwhile, PharmAthene (PIP) climbed 27.9% to close at $1.56, moving past its 200-day moving average of $1.48.

BSD Medical Corporation (BSDM) rose 6.2% to close at $1.71, approaching its 50-day moving average of $1.88. It has also moved closer to its 200-day moving average of $2.18. Medivation (ISRG) fell 1.8% to close at $82.68, moving closer to its 50-day moving average of $81.47. Also, the stock moved closer to its 200-day moving average of $501.54.

Theravance (THRX) was one of the sector's big losers, as its price dropped 9.2% (-$1.90) to close at $18.79. 682,667 shares of the stock moved. The stock traded in a range of $18.60 to $20.31. The stock is down over the last two months, having fallen $4.63 (-19.8%) from a price of $23.42 on April 3, 2012.

Shire Plc. (SHPGY) hit a new 52-week low today, hitting $82.11 to fall below the previous low of $83.88.