Zynga's head office in San Francisco, United States.
Media playback is unsupported on your device

Social gaming company Zynga begins trading on NASDAQ

16 December 2011 Last updated at 11:52 GMT

Zynga starts trading on the NASDAQ stock exchange on Friday.

The online social gaming company, which makes Facebook games including Mafia Wars, Farmville and Castleville, raised $1bn (£1.5bn) in its flotation.

That means the firm could be worth approximately $9bn (£13.5 bn).

Julie Meyer from Ariadne Capital, which advises and invests in young technological companies, told Radio 5 live Wake Up To Money how Zynga makes its money.

Wake Up To Money broadcasts weekdays 0530 to 0600 on Radio 5 live.

For other 5 live highlights, please visit the best bits page.