The top pre-market NASDAQ Stock Market gainers are: Advanced Analogic Technologies, rue21, Marvell Technology Group, Magma Design Automation, and Millicom International Cellular. The top pre-market NASDAQ Stock Market losers are: Gordmans Stores, China Information Technology, Blue Coat Systems, OmniVision Technologies, and Glu Mobile.

Gainers

Advanced Analogic Technologies, Inc. (AATI) stock jumped 54.87 percent to $6.04 in the pre-market trading. Skyworks Solutions Inc. (SWKS) said it agreed to buy Advanced Analogic Technologies for a nominal price of $6.13 a share, representing a 52 percent premium to Advanced Analogic' 30-day trailing average, or about $258.6 million. The $6.13 nominal share price consists of $3.68 a share in cash and 0.08725 of a share of Skyworks common stock for each outstanding share of Advanced Analogic common stock.

Excluding any non-recurring acquisition related charges and amortization of acquired intangibles, Skyworks expects the acquisition to be immediately accretive to adjusted earnings post-closing and will finalize estimates of the transaction's financial impact, as well as the accounting for the transaction, upon deal close. The transaction is subject to approval by Advanced Analogic Technologies' shareholders. The transaction is also subject to other customary closing conditions, including the receipt of applicable regulatory approvals.

rue21, Inc. (RUE) stock advanced 13.64 percent to $32.50 in the pre-market trading. Profit for the first quarter was $9.6 million or $0.38 per share for the quarter, up from $5.8 million or $0.23 per share last year. Sales grew 25.5 percent to $172.9 million. Analysts had expected profit of $0.29 per share on revenue of $166.35 million. On a same-store basis, sales increased by 5.2 percent. The company expects second quarter earnings of $0.30 to $0.32 per share, while Street predicts $0.31 per share. For the full year, the company raised its earnings guidance to range of $1.50 to $1.54 per share from previous forecast of $1.40 to $1.44 per share, while Street predicts $1.43 per share.

Marvell Technology Group Ltd. (MRVL) stock grew 9.00 percent to $15.87 in the pre-market trading. In a conference call, the company expects second quarter adjusted earnings of $0.37 per share, plus or minus a couple of pennies, and revenue of $870 million to $910 million, while Street predicts profit of $0.34 per share on revenue of $875.76 million. The company reported first quarter adjusted earnings of $189.3 million or $0.29 per share, down from $260.2 million or $0.38 per share last year. Revenue fell 6 percent to $802.40 million. Analysts had expected profit of $0.30 per share on revenue of $826.12 million for the first quarter.

Magma Design Automation Inc. (LAVA) stock increased 8.92 percent to $6.96 in the pre-market trading. Adjusted profit for the fourth quarter was $6.1 million or $0.09 per share, up from $3.7 million or $0.06 per share last year. Revenue rose to $38 million from $33.6 million. Analysts had expected profit of $0.08 per share on revenue of $35.70 million. For the first quarter, the company expects adjusted earnings of $0.07 to $0.08 per share and revenue of $36 million to $36.5 million, while Street predicts profit of $0.08 per share on revenue of $36.13 million. For the fiscal 2012, the company anticipates adjusted earnings of $0.38 to $0.40 per share and revenue of $158 million to $160 million, while Street predicts profit of $0.40 per share on revenue of $156.70 million.

Millicom International Cellular SA (MICC) stock rose 3.69 percent to $109.25 in the pre-market trading.

Losers

Gordmans Stores, Inc. (GMAN) stock plunged 25.26 percent to $16.45 in the pre-market trading. The company expects seco0nd quarter earnings of $0.10 to $0.11 per share and revenue of $116 million to $117 million, while Street predicts profit of $0.20 per share on revenue of $123.37 million. For the fiscal 2012, the company lowered its earnings guidance to range of $1.18 to $1.23 per share from previous forecast of $1.30 to $1.35 per share. The company also reduced its 2012 sales outlook to range of $553 million to $557 million from previous range of $563 million to $571 million. Street predicts profit of $1.34 per share on revenue of $570.51 million.

Gordmans Stores reported first quarter earnings of $7.3 million or $0.38 per share, compared to $6.4 million or $0.39 per share last year. Sales rose 5.2 percent to $117.7 million. Analysts had expected profit of $0.36 per share on revenue of $120.47 million. Comparable store sales increased 0.9 percent.

China Information Technology, Inc. (CNIT) stock plunged 12.16 percent to $2.24 in the pre-market trading. The company said Jackie You Kazmerzak would resign from her post as chief financial officer (CFO), effective May 30 to pursue another career opportunity. The company is in the process of vetting suitable candidates to serve as the company's CFO following Kazmerzak's departure. In the interim, Eva Liu, who is the company's Financial Controller, would continue to manage daily financial operations, supported by the Company's established finance team. Liu has been with the company since 2009.

China Information Technology said Iris Yan, Director of Investor Relations and Corporate Secretary, and Margie Ma, Investor Relations Manager, would continue to manage the company's investor relations activities. Until a new CFO is named, Liu and Yan would report directly to China Information Technology's Chairman and Chief Executive, Jiang Huai Lin.

Blue Coat Systems Inc. (BCSI) stock fell 9.44 percent to $20.25 in the pre-market trading. Adjusted profit for the fourth quarter was $14.59 million or $0.30 per share, down from $18.91 million or $0.40 per share last year. Revenue fell to $120.7 million from $132.6 million. Analysts had expected profit of $0.31 per share on revenue of $121.46 million. For the first quarter, the company expects adjusted earnings of $0.18 to $0.25 per share and revenue of $110 million to $117 million, while Street predicts profit of $0.33 per share on revenue of $122.42 million.

OmniVision Technologies Inc. (OVTI) stock tumbled 4.86 percent to $34.65 in the pre-market trading. Profit for the fourth quarter was $34.0 million or $0.56 per share, up from $3.5 million or $0.07 per share last year. Adjusted earnings rose to $40.8 million or $0.66 per share from $10.0 million or $0.18 per share. Revenue surged to $258.3 million from $157.2 million. Analysts had expected profit of $0.65 per share on revenue of $254.48 million. For the first quarter, the company expects profit of $0.55 to $0.68 per share, adjusted earnings of $0.64 to $0.77 per share and revenue of $265 million to $285 million, while Street predicts profit of $0.69 per share on revenue of $275.30 million.

Glu Mobile, Inc. (GLUU) stock slid 4.12 percent to $4.89 in the pre-market trading. The company revised its second quarter adjusted loss guidance to range of $0.04 to $0.05 per share from previous loss forecast of $0.04 to $0.06 per share. However, the company raised its second quarter adjusted revenue outlook to range of $16 million to $17 million from previous range of $15 million to $16.5 million. Street analysts predict a loss of $0.04 per share on revenue of $15.97 million.

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