The Nasdaq Composite stock market index is seen inside its studios at Times Square in New York in this file image
The Nasdaq Composite stock market index is seen inside its studios at Times Square in New York in this file image from April 1, 2011. Reuters

The top pre-market NASDAQ stock market gainers are: Merge Healthcare, Sequenom, LM Ericsson Telephone, Unilife and Amarin. The top pre-market NASDAQ stock market losers are: ZAGG, Zions Bancorp, Sina, Green Mountain Coffee Roasters and Research In Motion.

Gainers

Merge Healthcare Inc. (MRGE) stock grew 8.37 percent to $5.05 in pre-market trading.

Sequenom Inc. (SQNM) stock grew 8.31 percent to $4.04 in pre-market trading. The company said numerous leading healthcare providers across the United States, including Women & Infants Hospital of Rhode Island, Vanderbilt University Medical Center and Florida Hospital in Orlando have begun ordering the Sequenom Center for Molecular Medicine's (Sequenom CMM) MaterniT21 laboratory-developed test (LDT) for their patients. The MaterniT21 LDT provides direct assessment of fetal chromosomal status by examining circulating cell-free DNA in a maternal blood sample.

LM Ericsson Telephone Co. (ERIC) stock increased 2.24 percent to $9.58 in pre-market trading.

Unilife Corp. (UNIS) stock gained 1.64 percent to $3.10 in pre-market trading.

Amarin Corp. plc (AMRN) stock rose 1.57 percent to $6.45 in pre-market trading.

Losers

ZAGG Inc. (ZAGG) stock slid 5.24 percent to $8.86 in pre-market trading.

Zions Bancorp (ZIONW) stock declined 3.64 percent to $2.65 in pre-market trading.

Sina Corp. (SINA) stock moved down 0.51 percent to $54.77 in pre-market trading.

Green Mountain Coffee Roasters Inc. (GMCR) stock moved down 0.46 percent to $45.05 in pre-market trading.

Research In Motion Ltd. (RIMM) stock moved down 0.15 percent to $13.42 in pre-market trading.

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