The top pre-market NASDAQ Stock Market gainers are: Atrinsic, Millicom International Cellular, Zions Bancorp, Pacer International, and Internet Initiative Japan. The top pre-market NASDAQ Stock Market losers are: Identive Group, Logitech International, Lincare Holdings, Vodafone Group, and Inspire Pharmaceuticals.

Gainers

Atrinsic, Inc. (ATRN) stock climbed 9.84 percent to $3.35 in the pre-market trading.

Millicom International Cellular SA (MICC) stock jumped 8.51 percent to $103 in the pre-market trading. Profit for the first quarter was $230.14 million or $2.17 a share, up from $155.53 million or $1.43 a share last year. Normalized earnings per share, which excludes one-off events in 2010 and 2011 mainly the disposal of Laos operation, were $1.91, up from $1.43 last year. Revenue rose to $1.08 billion from $953.75 million.

The company raised its full year 2011 EBITDA margin guidance to above 45 percent and its operating free cash flow margin outlook to the high teens. It had previously estimated an EBITDA margin of mid-forties and operating free cash flow of mid-teens. The company also said it expand a share buyback program of $800 million for the full year, up from previously reported $300 million.

Separately, Millicom said it plans to consolidate the listing of its shares onto one single exchange, NASDAQ OMX Stockholm. The company will maintain the current listing of its shares as Swedish Depository Receipts (SDRs) on NASDAQ OMX Stockholm, which will become Millicom’s primary listing. The company, therefore, plans to voluntarily delist its ordinary shares from NASDAQ in the United States. Existing shareholders on NASDAQ will be able to convert their Millicom shares into SDRs listed on NASDAQ OMX Stockholm or alternatively maintain their holdings of Millicom ordinary shares.

Millicom has notified NASDAQ of its intention to delist and currently anticipates that it will file a Form 25 relating to the delisting of its ordinary shares with the U.S. Securities and Exchange Commission on or around May 20. As a result, Millicom expects that the last day of trading of its ordinary shares on NASDAQ in the U.S. will be no earlier than May 27.

Zions Bancorp. (ZION) stock advanced 7.58 percent to $24.70 in the pre-market trading. Profit for the first quarter was $14.8 million or 8 cents a share, compared to a loss of $86.5 million or 57 cents a share last year. Adjusted earnings for the latest quarter were $52.6 million or 29 cents a share. Net interest income declined to $423.86 million from $455.3 million, while non-interest income rose to $134.14 million from $107.61 million. Analysts had expected a loss of 17 cents a share on revenue of $560.96 million.

Pacer International Inc. (PACR) stock increased 6.30 percent to $53.48 in the pre-market trading.

Internet Initiative Japan Inc. (IIJI) stock grew 6.02 percent to $7.75 in the pre-market trading.

Losers

Identive Group, Inc. (INVE) stock fell 4.01 percent to $3.59 in the pre-market trading. The company's business unit SCM Microsystems said it has received its first orders for 10,000 eHealth terminals to support the relaunch of the electronic health card program in Germany. SCM has begun shipping both its eHealth200 desktop and eHealth500 mobile health card terminals for the program, which involves the deployment of more than 80 million electronic health insurance cards to German citizens.

Logitech International SA (LOGI) stock slid 2.12 percent to $13.39 in the pre-market trading.

Lincare Holdings Inc. (LNCR) stock moved down 0.85 percent to $30.50 in the pre-market trading. Profit was $46.4 million or $0.49 a share, up from $43.6 million or $0.45 a share last year. Revenue rose to $431.6 million from $410 million. Analysts had expected profit of 49 cents a share on revenue of $431.48 million.

Vodafone Group plc (VOD) stock moved down 0.45 percent to $28.53 in the pre-market trading.

Inspire Pharmaceuticals, Inc. (ISPH) stock moved down 0.20 percent to $4.98 in the pre-market trading.

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