Top Health Care Stocks

JNJ -0.16%

PZE -0.69%

MRK -0.23%

ABT -0.64%

AMGN -0.75%

Health care stocks were narrowly lower today with the NYSE Health Care Sector Index slipping about 0.2% and shares of health care companies in the S&P 500 declining about 0.4% as a group.

In company news, Resonant ( RESN ) retreated Friday after posting a wider Q4 loss compared with year-ago levels and late Thursday and saying it first-ever duplexer delivery didn't meet all of the specifications in the development agreement.

The pre-revenue company saw its Q4 net loss expand to $9.7 million, or $2.16 per share, from its $9.4 million loss during the year-earlier period. Total operating expenses climbed to $6.1 million from $2.8 million.

The company recently delivered a completed duplexer for consideration to its first customer but the design didn't meet all contract specifications, according to CEO Terry Lingren.

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Health Care Sector Update for 02/27/2015: RESN,ACUR,CERS