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)
LinkedIn's Forecast: Bloomberg West (Full Show 7/30)
09:13 - Full episode of "Bloomberg West." Guests: Mizuho's Neil Doshi, Cadigan Talent Ventures founder Steve Cadigan, Indiegogo CEO Slava Rubin and Y Combinator Partner Michael Seibel. (Source: Bloomberg)
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