The top after-market NASDAQ stock market gainers are: Nanosphere, China BAK Battery, Enzon Pharmaceuticals, Cerus, Broadwind Energy, Wonder Auto Technology, Oncothyreon, China Natural Gas, Myriad Genetics, and Immersion.

Nanosphere, Inc. (NSPH) advanced 16.15 percent to $5.25 in the after-market trading.

China BAK Battery, Inc. (CBAK) jumped 4.64 percent to $2.03 in the after-hours session.

Enzon Pharmaceuticals Inc. (ENZN) climbed 4.59 percent to $12.76 in the after-market trading.

Cerus Corp. (CERS) surged 3.34 percent to $2.56 in the after-hours session.

Broadwind Energy, Inc. (BWEN) soared 2.35 percent to $2.18 in the after-market trading.

Wonder Auto Technology, Inc. (WATG) improved 2.28 percent to $7.61 in the after-hours session.

Oncothyreon Inc (ONTY) grew 2.14 percent to $3.34 in the after-market trading.

China Natural Gas, Inc. (CHNG) gained 2.14 percent to $5.73 in the after-hours session.

Myriad Genetics Inc. (MYGN) increased 1.96 percent to $23.38 in the after-market trading.

Immersion Corp. (IMMR) rose 1.87 percent to $6.53 in the after-hours session.

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