Top Health Care Stocks

JNJ +0.50%

PZE +1.15%

MRK +0.87%

ABT +0.87%

AMGN -0.01%

Health care stocks were mixed in late trade with the NYSE Health Care Sector Index declining 0.1% and shares of health care companies in the S&P 500 climbing 0.5% as a group.

In company news, Harvard Apparatus Regenerative Technology ( HART ) tumbled today after the medical device company late Friday disclosed it will need additional development and testing of its HART-Trachea under it ongoing preclinical testing in large animals.

According to the Jan. 30 regulatory filing, HART executives said they anticipate the additional testing will require an additional two to six months beyond its original projections.

Based on those expectations, the company said it will likely file its application for to begin clincial testing in human subjects with UK authorities during the first half of 2016 rather than its previous goal of starting those tests before the end of 2015.

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Health Care Sector Update for 02/02/2015: HART,HEB,PSTI