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 Investors get a ringside seat on China reform New York Auto Show: High style and hybrid hopes Why Lightwater's Jerome Hass likes these stocks How Spirit of Math became Canada's largest ‘after-school school’ Market View: Did Poloz engineer a lower loonie? Metro beats Street, boosts payout Reaction to the Yamana/Agnico/Osisko deal The cost effectiveness of crude-by-rail Analysts look past Bank of America’s legal expenses Bank of Canada flags weak growth Ukraine tension hurts Russian economy Bank of America legal hangover lingers Positive China growth surprise smooths way for reforms -HSBC Google Glass for sale GM CEO Mary Barra unveils new safety unit ValueTrend's Keith Richards names his top picks Bonds for RRSPs, stocks for TFSAs? Talking money with kids: It's never too soon to start Video: What makes an innovator? What fertility clinics can teach us about strategy 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?