The top pre-market NASDAQ Stock Market gainers are: Harbin Electric, Diana Containerships, Curis, Vodafone Group, and Marvell Technology Group. The top pre-market NASDAQ Stock Market losers are: Vitacost.com, GT Solar International, Level 3 Communications, Human Genome Sciences, BioSante Pharmaceuticals, Research In Motion, and Apple.

Gainers

Harbin Electric, Inc. (HRBN) stock jumped 67.02 percent to $14.01 in the pre-market trading. The company said it entered into a definitive agreement and plan of merger with Tech Full Electric Co. Ltd., a Cayman Islands company wholly owned indirectly by Tianfu Yang, the company's Chairman and Chief Executive Officer, and Tech Full Electric Acquisition, Inc., a Nevada corporation wholly owned by Tech Full Electric.

Under the terms of the merger deal, each of the company's shares of common stock issued and outstanding immediately prior to the effective time of the merger will be converted into the right to receive $24.00 in cash without interest, except for shares owned by Tech Full Electric and Tech Full Electric Acquisition, including shares to be contributed to Tech Full Electric by Tianfu Yang, affiliates of Abax Global Capital and certain of the company's employees and officers, collectively, the Purchasing Group, prior to the effective time of the merger pursuant to a contribution agreement between Tech Full Electric, each member of the Purchasing Group and Tianfu Investments Limited.

Harbin Electric's Board, acting upon the unanimous recommendation of a special committee of the board of directors comprised of solely independent and disinterested directors approved and adopted the Merger Agreement and recommended that the company's shareholders vote to approve the Merger Agreement. The merger is currently expected to close in the fourth quarter of this year. If completed, the merger will result in Harbin Electric becoming a privately-held company, and the shares will no longer be listed on any public market.

Diana Containerships Inc. (DCIX) stock grew 3.99 percent to $7.03 in the pre-market trading. The company said it has taken delivery on June 17 of a Panamax container vessel, the m/v Maersk Merlion, a 1990-built vessel of 4,714 TEU capacity. As previously announced, the Maersk Merlion is chartered to A.P. Moeller-Maersk A/S for a period of minimum 24 months plus or minus 45 days at a daily rate of $21,450 less a 2.25 percent commission. The charterer has the option to employ the vessel for a further 12 month period plus or minus 45 days, at a daily rate of $25,000 less a 2.25 percent commission starting 24 months after delivery of the vessel to the charterer. The employment of the vessel is anticipated to generate about $14.5 million of gross revenues for the minimum scheduled period of the charter.

Curis Inc. (CRIS) stock gained 2.80 percent to $3.30 in the pre-market trading. The company announced that positive data are being presented by its collaborator Genentech, a member of the Roche Group, from a pivotal Phase 2 clinical trial conducted by Roche and Genentech of vismodegib (GDC-0449, RG3616) in patients with advanced basal cell carcinoma (BCC), an often life-threatening form of skin cancer that can have disfiguring and debilitating effects. The results will be presented on June 21st at the Seventh European Association of Dermato-Oncology (EADO) Congress taking place in Nantes, France. Vismodegib is a first-in-class investigational, oral medicine designed to selectively inhibit signaling in the Hedgehog pathway, which is implicated in more than 90 percent of BCC cases. Genentech has indicated that it anticipates submitting a new drug application to the U.S. Food and Drug Administration (FDA) in 2011 to seek approval to commercialize vismodegib based on the positive outcome of this study. Roche has indicated that the timing of a European regulatory submission is subject to planned discussions with the European Medicines Agency (EMA).

Vodafone Group plc (VOD) stock increased 1.27 percent to $26.23 in the pre-market trading.

Marvell Technology Group Ltd. (MRVL) stock moved up 0.53 percent to $13.28 in the pre-market trading.

Losers

Vitacost.com, Inc. (VITC) stock plunged 61.40 percent to $2.20 in the pre-market trading. The company said its common stock will resume trading on the NASDAQ Global Market under VITC ticker effective June 20 at 7:30 am EDT. Previously, the company reported a first quarter adjusted loss of $1.10 million or $0.04 per share, compared to a profit of $2.50 million or $0.09 per share last year. Sales for the first quarter rose to $63.76 million from $57.18 million.

GT Solar International, Inc. (SOLR) stock decreased 2.90 percent to $13.04 in the pre-market trading.

Level 3 Communications Inc. (LVLT) stock declined 2.83 percent to $2.06 in the pre-market trading.

Human Genome Sciences Inc. (HGSI) stock declined 2.78 percent to $24.45 in the pre-market trading. Seeking Alpha said in a report that Human Genome Sciences' robust product line-up and $5.0 billion market cap make it a takeover target.

BioSante Pharmaceuticals, Inc. (BPAX) stock decreased 2.78 percent to $2.45 in the pre-market trading.

Research In Motion Ltd. (RIMM) stock declined 1.80 percent to $27.25 in the pre-market trading. The BlackBerry maker said it expects second quarter earnings of $0.75 to $1.06 per share, while Street predicts $1.40 per share. The company also projects full year 2012 earnings of $5.25 to $6.00 per share, while Street predicts $6.29 per share. The stock has been falling from last month and closed at a new low for the year of $27.08 on Friday.

Apple Inc. (AAPL) stock moved down 0.77 percent to $317.78 in the pre-market trading, as investors fear that new Android-based smartphones may impact iPhone 5.

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