The top pre-market NASDAQ stock market gainers are: Qiao Xing Universal Resources, Impax Laboratories, Magic Software Enterprises, Mercadolibre, L & L Energy, ON Semiconductor, Ceragon Networks, ChinaCache International Holdings, Melco Crown Entertainment, and F5 Networks.

Qiao Xing Universal Resources, Inc. (XING) advanced 9.19 percent to $3.09 in the pre-market trading.

Impax Laboratories Inc. (IPXL) climbed 5.27 percent to $21.17 in the pre-market session. The company said Wednesday that FDA has granted final approval for the generic version of Doryx 75 mg and 100 mg tablets. Impax plans to launch the product through its generic division Global Pharmaceuticals. Doryx is a tetracycline-class oral antibiotic indicated for rickettsial, sexually transmitted, and respiratory tract infections, anthrax, and other infections.

Magic Software Enterprises Ltd. (MGIC) jumped 3.88 percent to $6.42 in the pre-market trading. The company announced a deal with Senoglu Yazilim A S for the distribution of its products to new customers and partners throughout Turkey. The new distributorship enables Magic Software to expand its long-term presence in Turkey with its major software products - the uniPaaS application platform and the iBOLT business integration suite.

Mercadolibre, Inc. (MELI) surged 3.62 percent to $69.06 in the pre-market session.

L & L Energy, Inc. (LLEN) soared 3.61 percent to $11.19 in the pre-market trading.

ON Semiconductor Corp. (ONNN) improved 3.24 percent to $10.20 in the pre-market trading. The company announced the completion of the acquisition of SANYO Semiconductor Co., Ltd., a unit of SANYO Electric, and other assets related to SANYO Electric’s semiconductor business. ON Semiconductor paid about $144 million in cash to SANYO Electric and drew down about $378 million under a loan agreement with SANYO Electric.

Ceragon Networks Ltd. (CRNT) grew 3.19 percent to $13.60 in the pre-market session.

ChinaCache International Holdings Ltd. (CCIH) increased 3.13 percent to $21.45 in the pre-market trading. The company said it has signed service agreements with three provincial subsidiaries of China Mobile, including China Mobile Guizhou, China Mobile Xinjiang and China Mobile Henan, as well as three of China Mobile's municipal operators in the province of Jiangsu, China Mobile Suzhou, China Mobile Nanjing and China Mobile Yancheng, for content and application delivery services.

ChinaCache said it will provide integrated content and application delivery solutions including the company's Content Bridging Services to the China Mobile subsidiaries with the aim of significantly improving the user experience for China Mobile's broadband mobile users.

Melco Crown Entertainment Ltd. (MPEL) gained 2.52 percent to $6.52 in the pre-market session.

F5 Networks, Inc. (FFIV) rose 2.18 percent to $133 in the pre-market session.

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