Why Has Groupon Lost 80% of Its Value Since IPO?

Nov. 8 (Bloomberg) -- Cory Johnson reports on Groupon's revenue issues and its loss in value. He speaks on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)

China November Manufacturing PMI Below Expectations
58:08 - China releases its official manufacturing PMI data for November. Bloomberg's Stephen Engle reports on "Trending Business." (Source: Bloomberg)
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