Investor Ideas' Tuesday's NASDAQ Winners

POINT ROBERTS, December 21, 2011 - www.InvestorIdeas.com, a global investor research portal for independent investors, reports on top percentage gainers on the NASDAQ for Tuesday December 20th. NASDAQ gained 80.59 points (3.19%) to close at 2,603.73.

Canadian Solar Inc. CSIQ shares jumped 33.48% to close at $2.95 in Tuesday's trading session. The company reported news that its wholly owned subsidiary, Canadian Solar Solutions Inc. (CSSI), has entered into a sales agreement with TransCanada Corporation (TSX, NYSE: TRP) (TransCanada), whereby TransCanada will acquire from Canadian Solar a 86 megawatts (MW) AC solar project portfolio for approximately $470 million Canadian dollars.

Progenics Pharmaceuticals, Inc. PGNX surged 31.02% to close at $8.49 after the company along with Salix Pharmaceuticals, announced the successful outcome of the Phase 3 trial to evaluate the efficacy and safety of oral methylnaltrexone for the treatment of opioid-induced constipation (OIC) in subjects with chronic, non-cancer pain. The company made a new 52 week high at $8.69 yesterday.

Double Eagle Petroleum Co. DBLE gained 19.01% to close at $7.20 in Tuesday's trading session, recovering from its recent fall. The 52 week trading range for the stock is $4.77 - $12.00. Double Eagle is an independent energy company engaged in the exploration, development, production and sale of natural gas and crude oil, primarily in Rocky Mountain Basins of the western United States.

GTx, Inc. GTXI rose 16.99% to close at $3.03. The 52 week trading range for the company is $2.27 - $6.86. The company has gained over 16% in the last year. GTx, Inc. is a biopharmaceutical company dedicated to the discovery, development and commercialization of small molecules that targets hormone pathways to treat cancer, osteoporosis and bone loss, muscle loss and other serious medical conditions.

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