Is N. Korea Behind the Cyberattack on S. Korea?

March 20 (Bloomberg) -- Harvard's John Park discusses the South Korean computer network shutdown that was triggered by a cyberattack. He speaks with Emily Chang on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)
Can China Rein In Its Stock Rally?
24:19 - In today’s “Bart Chart,” Bloomberg’s Mark Barton takes a look at the Shanghai composite from 2005 to 2012 on “Countdown.” (Source: Bloomberg)
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