Earnings Video: Investors discount Groupon stock Add to ... Reuters Published Tuesday, Aug. 14 2012, 6:30 AM EDT Last updated Tuesday, Aug. 14 2012, 6:30 AM EDT Groupon shares hit an all-time low in after hours trading Monday after it reported a revenue miss, blaming Europe. Watch More Video: Investors discount Groupon stock Everything you need to know about mutual funds in two easy pages Paris smog adds to economic gloom How to protect your bank account from fraud Will U.S. Banks Pass Fed's Stress Test? Twitter CEO visits China Is the Crimea rally just a 'dead-cat bounce'? Ethiopia's super food export dilemma With Loblaw deal set to close, is the time right to short Metro stock? Paris curbs car use in pollution crackdown Portfolio manager Ross Healy's three top picks Time to buy gold stocks? As Alibaba IPO looms, competitors crank up pressure China property cool down confirmed? Scotiabank strategist: China moves toward more exchange reforms Investors watching Crimea fallout, await Fed Nigeria job-seekers killed in stampede The Challenge contest returns for 2014 with more prizes Video: Scout global before you launch local Dr. Copper is wrong this time Video: Three top picks from Don Vialoux Comments AA More Related to this Story Past Picks Video: BNN Market Call's past picks Fees Video: How entrepreneurs can cut legal costs Video: Streetwise: Is Quebec sending the right signals?