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)
More Worried Over Europe Than China: Williams
04:43 - Hermes Investment Management Chief Economist Neil Williams discusses the Chinese government’s attempts to stabilize equity markets and why he would ‘probably lose more sleep over the euro-zone’. He speaks with Manus Cranny on Bloomberg Television’s “The Pulse.” (Source: Bloomberg)
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