NASDAQ Top Winners July 20th: Sino-Global, China Technology Development, Princeton Review, InterDigital

POINT ROBERTS, July 21, 2011 - www.InvestorIdeas.com, a global investor research portal for independent investors, reports on top percentage gainers on the NASDAQ for trading July 20, 2011. Sino-Global Shipping America, Ltd.

was the biggest gaineron NASDAQ soaring 11.75 (28.31%) to $53.26, following news its board was reviewing options including a sale of patents or the whole company. The company is a developer of wireless technology with a sizable patent portfolio. China Technology Development Group Corp.

moved 0.41 (38.95%) to $1.46 after the company announced it has reaffirmed its commitment to solar projects investment and plans to file its interim report for 2011 with the SEC by the end of August. The Princeton Review, Inc

climbed 0.071 (29.50%) to $0.310 after the company reported it has signed a new multi-year master publishing agreement with Random House, Inc. for the rights to publish all print and electronic books branded and trademarked by The Princeton Review. InterDigital, Inc.

surged 15.41 (28.93%) to $68.67 after rising more than 30% in the previous trading session as the company is exploring potential alternatives including a sale. Investorideas.com Free Investor Tools; Sign up for the free investor news and stock alerts in leading sectors! http://www.investorideas.com/Resources/Newsletter.asp Join Investor Ideas - Research energy stocks, mining, agriculture stocks, cloud computing stocks and more… Investorideas.com Members currently have 24/7 online access to the exclusive subscriber-only eleven stock directories in leading sectors including renewable energy, water and energy stocks. Visit the Investor Ideas membership page to learn more at: http://www.investorideas.com/membership/ About InvestorIdeas.com: InvestorIdeas.com is a leader in investor stock research by sector. Sectors we cover include; cleantech and renewable energy stocks, biotech stocks, mining and gold stocks, energy stocks, water, tech, defense stocks, nanotech, agriculture and gaming. Follow Investorideas.com on Twitter http://twitter.com/#!/Investorideas Follow Investorideas.com on Facebook http://www.facebook.com/Investorideas Disclaimer: Our sites do not make recommendations. Nothing on our sites should be construed as an offer or solicitation to buy or sell products or securities. We attempt to research thoroughly, but we offer no guarantees as to the accuracy of information presented. All Information relating to featured companies is sourced from public documents and/ or the company and is not the opinion of our web sites. This site is currently compensated by featured companies, news submissions and online advertising . www.InvestorIdeas.com/About/Disclaimer.asp Dawn Van Zant: 800-665-0411 - dvanzant@investorideas.com