breaking
Nexen shares drop as Ottawa preps 'important announcement'
Shares in Calgary-based takeover target lose 6.3% in late trading
CBC News
Posted: Dec 7, 2012 11:32 AM ET
Last Updated: Dec 7, 2012 4:55 PM ET
![CNOOC is trying to buy Calgary-based oil company Nexen Inc. in a $15.1-billion takeover.](http://www.cbc.ca/gfx/images/news/topstories/2012/07/23/hi-cnooc.jpg)
CNOOC is trying to buy Calgary-based oil company Nexen Inc. in a $15.1-billion takeover. (Claro Cortes/Reuters)