The top pre-market NASDAQ Stock Market gainers are: Wowjoint Holdings, E*TRADE Financial, Netflix, Silicom, and Randgold Resources. The top pre-market NASDAQ Stock Market losers are: Kandi Technologies, Silicon Laboratories, Mindspeed Technologies, Crimson Exploration, and Exterran Partners.

Gainers

Wowjoint Holdings Ltd. (BWOW) stock grew 7.46 percent to $2.88 in the pre-market trading.

E*TRADE Financial Corp. (ETFC) stock grew 6.27 percent to $16.62 in the pre-market trading. TD Ameritrade Holding Corp.'s (AMTD) directors plan to discuss at a meeting Tuesday the possibility of trying to buy E*Trade Financial, the Wall Street Journal reported citing people familiar with the matter. The expected talks do not necessarily mean that TD Ameritrade will make an offer for E*Trade.

Netflix, Inc. (NFLX) stock gained 1.78 percent to $281.50 in the pre-market trading. The company is expected to report second-quarter earnings of $1.11 per share, higher than $0.80 per share reported a year ago. Besides, quarterly revenues are anticipated to increase year-over-year to $791.48 million from $519.82 million.

Silicom Ltd. (SILC) stock increased 1.29 percent to $19.90 in the pre-market trading. Adjusted profit for the second quarter was $2.1 million or $0.30 per share, up from $1.4 million or $0.21 per share last year. Revenue increased 39 percent to $9.4 million.

Randgold Resources Ltd. (GOLD) stock rose 1.28 percent to $91.79 in the pre-market trading.

Losers

Kandi Technologies, Corp (KNDI) stock plunged 10.10 percent to $2.76 percent in the pre-market trading.

Silicon Laboratories Inc. (SLAB) stock tumbled 9.18 percent to $37.90 in the pre-market trading. Profit for the second quarter was $13.37 million or $0.29 per share, down from $21.05 million or $0.44 per share last year. Adjusted earnings were $21.87 million or $0.48 per share. Revenue declined to $126.2 million from $134.6 million. Analysts had expected profit of $0.46 per share on revenue of $127.43 million. Looking ahead, the company expects revenue for the third quarter to decline by 5 to 10 percent sequentially.

Mindspeed Technologies Inc. (MSPD) stock fell 8.92 percent to $6.94 in the pre-market trading. The company is expected to report third quarter earnings of $0.05 per share, lower than $0.18 per share reported last year. Besides, quarterly revenue are anticipated to decrease year-over-year to $41.98 million from $43.28 million.

Crimson Exploration Inc. (CXPO) stock slid 8.62 percent to $3.18 in the pre-market trading.

Exterran Partners, L.P. (EXLP) stock declined 6.24 percent to $23.75 in the pre-market trading.