Kospi Falls as N. Korea Conducts Third Nuclear Test

Feb. 12 (Bloomberg) -- Bloomberg's Angie Lau reports that the Kospi Index had its biggest drop in a week as North Korea’s official news agency confirmed an underground atomic test. She speaks on Bloomberg Television's "The Pulse."
Facebook Says 1 Billion People Used Facebook on Monday
05:25 - Today’s "BWest Byte" is 1 billion, for the amount of people who used Facebook on Monday. Bloomberg's Emily Chang reports on "Bloomberg West." (Source: Bloomberg)
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