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

Healthways (HWAY) was a major gainer in the sector, rising 15.5% (+$1.31) to close at $9.76 with 738,520 shares moving. The stock traded in a range of $9.46 to $10.61. Similarly, Alexion Pharmaceuticals (ALXN) gained today, increasing $7.51 (+7.7%) to close at $105.13.

Questcor Pharmaceuticals (QCOR) was a major loser in the sector, falling 13.7% (-$6.12) to close at $38.50 with 9.4 million shares moving. The stock traded in a range of $36.74 to $45.30. The stock has been losing steam over the last month, decreasing $14.88 (-27.9%) from a price of $53.38 on June 25, 2012.

The Medicines Company (MDCO) rose 12.2% to close at $25.67, cross its 50-day moving average of $23.09 and 200-day moving average of $21.35.

Varian Medical Systems (VAR) rose 3% to close at $57.31, approaching its 50-day moving average of $59.08. It has also moved closer to its 200-day moving average of $63.39. BG Medicine (BGMD) fell 5.6% to close at $6.18, moving down to 2.9% above its 200-day moving average of $6.00.