Did you see the shares of $GRPN - Groupon, plunge over 10% today? Here's a company that had the online coupon market on fire for awhile. I know there are some peculiarities regarding their accounting, but above that I just wonder how viable the business is long term.
After all, a lot of companies are now sending deals of the day.
Groupon Plunges as Board Members Leave
http://www.thestreet.com/story/11514049/1/groupon-plunges-as-board-members-reportedly-leaving.html
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