Top Health Care Stocks

JNJ -1.54%

PFE -1.53%

ABT -0.96%

MRK -1.97%

AMGN -0.23%

Health care stocks were broadly lower today with the NYSE Health Care Sector Index declining about 1.1% and shares of health care companies in the S&P 500 slipping about 0.9% as a group.

In company news, Organovo ( ONVO ) rose sharply on Friday following a television appearance late yesterday by the medical-device company's CEO explaining how its 3-D printer technology is being used to produce liver tissue for testing new drugs.

The company's 3-D printer lays out 24 layers of human liver tissue, ONVO Chief Executive Keith Murphy said during an interview appearance Thursday on CNBC's "Fast Money."

The "artificial" livers also are proving to be a popular product for pharmaceutical companies, Murphy said. "Big Pharma actually wants to use us a service," he said, noting how drug-makers can the printed liver tissue to study the potential effects of new medications, replacing animal models during pre-clinical trials.

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Health Care Sector Update for 12/12/2014: ONVO,CCXI,EPRS