VMWare racked up $957-million when it started trading yesterday, becoming the most successful initial public offering (IPO) this year. 

The company saw a better-than-70% increase in its share price, which started at $29.00, but rose to $51.00 by the end of the day's trading.
VMWare was bought by EMC in January 2004 for $602-million. EMC retains 87% of the company, a stake that is now worth $17-billion.
Other companies that have invested in the newly-public VMWare are Intel and Cisco.