Year in Business: Facebook, Knight Take Nasty Falls

Dec. 27 (Bloomberg) -- Bloomberg News reviews the biggest business stories of 2012. (Source: Bloomberg)

Cameco Shares Plunge After Surprise 2nd-Qtr Loss
37:42 - Tim Gitzel, president and CEO of Cameco, joins Bloomberg TV Canada to discuss whether there will be more losses in the future for the uranium miner. (Source: Bloomberg)
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