DALLAS -- Mark Cuban says hes a follow-the-rules investor who checked with his broker to make sure that his 2004 sale of stock in an Internet company was legal. Cheap Football Chiefs Jerseys . Cuban testified Thursday that he was upset when the companys CEO told him news that would reduce the value of his shares, for which hed paid $7.5 million. But he said he did nothing improper when he sold those shares over the next two days. The Securities and Exchange Commission is suing the owner of the Dallas Mavericks for insider trading, claiming that he broke a promise of confidentiality and traded on private information that gave him an advantage over other investors. A jury in federal district court is hearing the civil lawsuit, which doesnt involve criminal charges. The case may hinge on a single phone call between Cuban and the CEO of Mamma.com Inc., a search-engine company based in Canada. In recorded testimony played to jurors this week, CEO Guy Faure said he told Cuban about the planned stock issuance. Faure said that Cuban agreed at the outset that the information would be confidential. Cuban testified that he was upset to learn about the stock offering, which would dilute the shares of earlier investors like himself, but he denied ever agreeing to keep the information confidential. He said he couldnt recall details of the conversation. Executives of Mamma.com, a search-engine company based in Canada, believed that Cuban had promised not to trade until the stock offering was publicly announced. Cuban said he would never have made such an agreement. "Nobodys going to tell me" when to trade, he said. An email from his broker at UBS suggested that Cuban asked if his sale of Mamma.com stock was legal. "I dont like to do anything thats not 100 per cent kosher," he wrote. Cuban said he had reasons beyond the stock offering for selling his shares, including concern over ties between Mamma.com and a convicted stock swindler, Irving Kott. But SEC lead lawyer Jan Folena produced an email exchange from early 2004, before Cuban sold his stock, in which he appeared to dismiss another investors worries about Kott. Folena also produced an email in which Cuban directed a reporter for his sharesleuth.com website to dig up dirt on Faure and Mamma.com. Folena said that Cuban wanted to discredit Faures recollection of the critical 2004 phone call. Folena charged Cuban of cheating because he couldnt stand the idea of losing on an investment. "You look at every loss in your life as a huge failure," she said. "Absolutely not," Cuban answered. Folena then quoted from a business article that Cuban wrote in which he said he took every loss as a huge failure. Cuban was Mamma.coms biggest shareholder, owning a 6 per cent stake. The SEC says Cuban avoided $750,000 in losses by selling on insider information before the shares fell by nearly 10 per cent once the private stock offering was announced. The SEC wants Cuban to give up that money and pay a fine. As Cuban took the witness stand Thursday, he was relaxed -- smiling and making a few jokes. He smiled less often as he jousted throughout the day with Folena. In the afternoon, guided by one of his lawyers, Cuban told the jury his life story -- growing up in Pittsburgh; graduating from Indiana University; moving to Dallas and sharing an apartment with five other guys; starting his first company at 25; becoming a billionaire in 1999 when he and his business partner sold Broadcast.com to Yahoo for $5.7 billion. Cuban looked directly at the jurors as he recounted buying the Mavericks. His wife no longer sits with him because he screams too much, and he misses some games to spend time with his three kids. "Im the luckiest guy in the world," he said of his wealth, which Forbes estimates at $2.5 billion. The jurors paid rapt attention; a few of them smiled. The trial will resume Monday. Ike Boettger Jersey .C. -- The Bobcats announced theyve signed centre Justin Hamilton to a 10-day contract. Travis Kelce Jersey . The team let Keaton Ellerby, James Wright and Matt Halischuk become unrestricted free agents after declining to make them qualifying offers. Ellerby, 25, appeared in 51 games for the Jets last season and had two goals and four assists. http://www.cheapchiefsjerseysonline.com/ . "Im proud, obviously. Its been a long day, but now Im a Crystal Palace player, Im very happy," Bannan said. "The seasons been started now for a couple of weeks and Ive not featured at Villa.Buffalo, NY (SportsNetwork.com) - Nikita Zadorov scored his first goal of the season 29 seconds into overtime to send the Buffalo Sabres to a 4-3 win over the Florida Panthers on Saturday. Brian Giontas third-period goal tied the game for the Sabres and ended a run of three straight Panthers goals. Buffalo also got goals from Cody Hodgson and Marcuss Foligno to win its third straight game. Darrel Williams Jersey. . Jhonas Enroth made 25 saves in the win. Sean Bergenheim and Jimmy Hayes scored second-period goals to erase a 2-0 deficit for Florida, which lost two of three games on its road trip. Al Montoya made 28 saves for the Panthers but did not stop the only shot he faced in OT. 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