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: Canadians owe more but it isn't all bad news Concern grows over bitcoin? India's central banks take centre stage Hilton tops off record IPO year Kiev protesters gather, EU dangles aid promise Esprit shares back in fashion? Looking ahead to housing trends in 2014 No bailout needed for Slovenia, for now Which way, Mulally: MSFT or Ford? Top global stock picks for 2014 by Mawer's Paul Moroz Is Canada in a housing bubble? Analysts can't agree Avoiding holiday over-spending Hilton checks in with biggest hotel IPO ever Beyond hot springs - Japan resort towns set to roll the dice Big shift for U.S. housing market in 2014 Why investors can't get enough bad Chinese debt 'Yes, I'm living my dream,' says Toronto chocolatier Canada Goose goes American? Italy's new package of reforms Discovery mulls bid for Scripps 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?