Here’s the details from UFC.com:
To celebrate the launch of UFC 2009 Undisputed, today, May 19th, Brian Farrell and Dana White (President of UFC) will ring the closing bell at the NASDAQ Stock Market. We invite you to participate in this exciting event via the Internet.
The ceremony will be webcast live from 3:50-4:00 pm Eastern Time (12:50-1:00 pm Pacific Time). A link to the webcam can be found on THQ.com: http://www.thq.com/news/?id=200 as well as the following link: http://www.nasdaq.com/about/marketsitetowervideo.asx
By launching this link, at 3:50pm you will have a view into the MarketSite studio where you can view the ceremony. The ceremony is live, not archived, so it is important to watch in real time.
You must have Windows Media Player to view the web cam.