Broked

"While we recognize copper is a well-broked bull story and there is the potential for a pullback, we continue to believe that copper prices will rise further in 2011, with any pullbacks in the short term potentially presenting good buying opportunities,"

Source:
http://www.bloomberg.com/news/2010-11-15/copper-rebounds-from-london-to-shanghai-as-fundamentals-intact.html

What does "well-broked" mean?

In my dictionary, I could not find a word "broke" except as the past tense of "break" or an adjective meaning "penniless".