The Nasdaq has moved up 1.5%, the S&P 500 is trading up 1.1% and the Dow has risen 1.1%, marking a bad morning for the market. The healthcare sector is the category of stocks relating to medical and healthcare goods or services. This sector includes hospital management firms, health maintenance organizations (HMOs), biotechnology and a variety of medical products. Stocks in the healthcare sector are often considered to be defensive because the products and services are essential. Even during economic downturns, people will still require medical aid and medicine to overcome illness. Having a consistent demand for goods and services makes this sector less sensitive to business cycle fluctuations.

Underperforming the market overall, the Healthcare sector (XLV) is up 0.9%, and these are its current biggest movers:

Company Market Cap Percentage Change
ABIOMED (Nasdaq:ABMD) $783.4 million -29.5%
Prestige Brands Holdings (NYSE:PBH) $877.7 million +13.6%
Vertex Pharmaceuticals (Nasdaq:VRTX) $10.42 billion +6.5%
Mednax (NYSE:MD) $3.43 billion +5%
Techne (Nasdaq:TECH) $2.48 billion +4.6%
Regeneron Pharmaceuticals (Nasdaq:REGN) $13.74 billion +4.4%
Fresenius Medical Care AG & Co (NYSE:FMS) $21.16 billion -3.9%

Forex Broker Summary: UFXMarkets

After a precipitous drop of 29.5%, ABIOMED (Nasdaq:ABMD) is now trading at a share price of $13.98. At five million shares, the company's volume so far today is 9.1 times its current three-month average.

Prestige Brands Holdings (NYSE:PBH) is trading at $19.76 per share, a significant rise of 13.6%. So far today, 221,771 shares of the company's stock have changed hands.

Increasing 6.5%, Vertex Pharmaceuticals (Nasdaq:VRTX) is trading at $51.40 per share. The company's volume is currently two million shares for the day, 0.9 times the current daily average.

Mednax (NYSE:MD) is at $72.45 per share after an increase of 5%. The company is currently trading a volume of 406,415 shares.

Techne (Nasdaq:TECH) is up 4.6% to reach a current price of $70.43 per share. The company's volume for the day so far is 80,417 shares, 0.9 times the current three-month average.

Regeneron Pharmaceuticals (Nasdaq:REGN) has increased to a share price of $148.53, a 4.4% rise. The company's volume for the day so far is 417,405 shares. This is on pace to reach yesterday's trading volume of 974,881 shares.

Slipping 3.9%, Fresenius Medical Care AG & Co (NYSE:FMS) is currently trading at $67.60 per share. So far today, the company's volume is 193,912 shares, two times the average daily volume.

The Bottom Line The nature of the market is such that stocks will have good days and bad days. Daily stock performance should be weighed against historical performance and put in context of the market overall. However, these fundamental metrics must be analyzed with historic data, industry information in addition to firm specific financial statements.