BOSTON ( TheStreet) -- TheStreet.com's "Under the Radar" feature highlights small companies with big growth potential. Here are the 10 best-performing stocks from the series. Ebix ( EBIX): Shares of Ebix, which supplies software products and advice to insurers, have gained 75% since the company was first profiled on May 21. Ebix's net income for the first nine months of the year has increased 38% to $26.7 million, or $2.17 a share. Cott ( COT): Cott shares have advanced 50% since it was first profiled on Aug. 4. The company, which produces soda and energy drinks, reported a combined $71 million profit for the past three quarters after a year-earlier loss of $109.4 million. NewMarket ( NEU): Shares of NewMarket, which makes lubricants and petroleum additives, have risen 43% since it was first profiled on June 4. The company's stock has more than tripled in the past year. CGI Group ( GIB): Shares of the technology consulting firm are up 38% since the company was profiled on June 17. CGI has jumped 68% in the past year. Marvel Entertainment ( MVL): Shares of the film and comic-book maker have climbed 34% since the company was profiled on Aug. 7. Marvel, which is being acquired by Walt Disney ( DIS), plans to release the movies Iron Man 2 and Planet Hulk next year. Sykes Enterprises ( SYKE): The company's shares have gained 25% since it was profiled on July 30. Sykes provides customer-service support to other companies and has been gaining as more firms outsource these duties to save money. Tyler Technologies ( TYL): The company's shares have climbed 24% since the company was first profiled on May 20. Courts, government agencies and law enforcers use Tyler's customizable software to do everything from manage land records to process parking tickets.