The 26 year - old is now worth around $ 5.5 billion after shares in his company made their public trading debut on Thursday. (fortune.com)
Twitter CEO Dick Costolo appeared on CNBC ahead of his company's trading debut at the NYSE to talk about his company and its potential for growth. (canadianbusiness.com)
Facebook's stock is expected to price on May 17 and make its public trading debut on May 18. (canadianbusiness.com)