The top pre-market NASDAQ stock market gainers are: CPI International, iGo, LJ International, Savient Pharmaceuticals, ASML Holding, A-Power Energy Generation Systems, and Melco Crown Entertainment.

CPI International, Inc. (CPII) surged 34.07 percent to $19.40 in the pre-market session. The company said it agreed to be acquired by an affiliate of private-equity firm Veritas Capital for about $525 million in cash. For full story please click here.

iGo, Inc. (IGOI) soared 3.32 percent to $2.80 in the pre-market trading.

LJ International Inc. (JADE) improved 2.61 percent to $3.93 in the pre-market session.

Savient Pharmaceuticals, Inc. (SVNT) jumped 1.76 percent to $12.70 in the pre-market trading.

ASML Holding NV (ASML) climbed 0.53 percent to $34.46 in the pre-market session.

A-Power Energy Generation Systems, Ltd. (APWR) rose 0.33 percent to $6.05 in the pre-market trading.

Melco Crown Entertainment Ltd. (MPEL) moved up 0.24 percent to $6.33 in the pre-market session.

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