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)
The Land Grab Over San Francisco Office Space
28:36 - Square is putting part of its San Francisco headquarters on the market, joining a growing number of technology companies subleasing offices in the city. Bloomberg crunched the numbers and found companies are planning for future growth, but are they getting too ambitious? Bloomberg's Emily Chang has more on "Bloomberg Markets." (Source: Bloomberg)
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