GuruNet ( GRU) surged 11% Tuesday after the search engine company unveiled plans to list its stock on Nasdaq and change its name to Answers Corp. The New York-based operator of the Answers.com Web site said the name change is subject to shareholder approval. "We are proud to be moving to Nasdaq, the premier stock market for technology companies, which reinforces our commitment to shareholder value; we have been pleased with the professionalism of the Amex and thank them for their excellent service," said CEO Robert S. Rosenschein. "In just seven short months, we've put Answers.com on the map. Unifying our ticker, corporation, and flagship product names strengthens our branding, supports our growth strategy, and helps end-users identify the company behind the product." On Tuesday, GuruNet rose $1.50 to $14.50.