Error! You must javascript enabled to use this form. Please enable Javascript in your browser. National Semiconductor Share Prices Storm Ahead by More Than 70% - Spread Betting News Spread betting provider City Index takes a look at the activity affecting the CFD trading on 5th April 2011. View full press release Your Name: Your Email: Subject: Question: We respects your privacy, the information you entered above will not be used to send unsolicited email, and will not be rented or sold to a 3rd party. Your contact information will be shared with the recipient of this message - Privacy Policy Send