The top after-market NASDAQ stock market gainers are: L & L Energy, First Interstate Bancsystem, Momenta Pharmaceuticals, Seattle Genetics, and Amylin Pharmaceuticals. The top after-market NASDAQ stock market losers are: OmniVision Technologies, Savient Pharmaceuticals, Texas Capital BancShares, Spectrum Pharmaceuticals, and Aruba Networks.

Gainers

L & L Energy, Inc. (LLEN) stock grew 9.52 percent to $2.99 in after-market trading. The shares regained after it closed down 2.50 percent at $2.73 on Tuesday.

First Interstate Bancsystem Inc. (FIBK) stock grew 9.33 percent to $11.37 in after-market trading. The shares regained after it closed Tuesday's regular trading down 0.79 percent at $11.37.

Momenta Pharmaceuticals Inc. (MNTA) stock gained 7.17 percent to $16.44 in after-market trading. The shares regained after it closed down 6.69 percent at $15.34 on Tuesday.

Seattle Genetics Inc. (SGEN) stock increased 3.52 percent to $16.16 in after-market trading. The shares regained after it closed Tuesday's regular trading down 3.40 percent at $15.61.

Amylin Pharmaceuticals, Inc. (AMLN) stock rose 2.93 percent to $10.55 in after-market trading. The shares regained after it closed down 2.84 percent at $10.25 on Tuesday.

Losers

OmniVision Technologies Inc. (OVTI) stock fell 11.53 percent to $9.90 in after-market trading. Profit for the second quarter was $21.1 million or $0.35 per share, down from $28.9 million or $0.50 per share last year. Adjusted profit was $30.1 million or $0.48 per share, down from $34.2 million or $0.58 per share last year. Revenue declined to $217.92 million from $239.46 million. Analysts had expected profit of $0.32 per share on revenue of $214.56 million. Looking ahead into the third quarter, the company expects adjusted earnings of $0.05 to $0.17 per share and revenue of $160 million to $180 million, while Street predicts profit of $0.26 per share on revenue of $201.43 million.

Savient Pharmaceuticals, Inc. (SVNT) stock slid 5.02 percent to $2.27 in after-market trading. The shares closed Tuesday's regular trading up 5.29 percent at $2.39.

Texas Capital BancShares Inc. (TCBI) stock declined 3.01 percent to $25.79 in after-market trading. The shares closed Tuesday's regular trading down 1.26 percent at $26.59.

Spectrum Pharmaceuticals, Inc. (SPPI) stock decreased 2.91 percent to $13 in after-market trading. The shares closed down 0.81 at $13.39 on Tuesday.

Aruba Networks, Inc. (ARUN) stock declined 2.90 percent to $19.41 in after-market trading. The shares closed Tuesday's regular trading down 1.70 percent at $19.66.