Warren Buffett appears today (Wednesday, February 6) at 4p ET at an event in Torontofor "investor relations and corporate communications professionals" designed to draw attention to Business Wire's expansion into Canada.  (Business Wire is a subsidiary of Buffett's Berkshire Hathaway holding company.)

While the event is not open to the general public, with the assistance of Business Wire, CNBC.com's Warren Buffett Watch plans to carry live audio of Buffett's appearance.

It's being billed as "Business Wire Canada Opening Reception: A Conversation with Warren Buffett,"  hosted by Business Wire CEO Cathy Baron Tamraz. 

A question-and-answer question is scheduled.  We'll see if Buffett has anything more to say on the bond insurers, the markets or the economy, among other possible topics.

Berkshire's current price:   

Questions?  Comments?  Email me at buffettwatch@cnbc.com