Groupon shares tumbled after the daily deal site's revenue fell short of estimates even as earnings beat Wall Street forecasts.
Groupon shares fell to a life-time low of $6.05 in after-hours trading. The company's stock has tanked since going public last November. (Click here to get the latest quotes for Groupon.)
Groupon, like many other companies, blamed Europe for its shortfall but with the stock down as much as 20 percent after-hours, investors were more focused on the company's slowing growth.
The company posted second-quarter earnings excluding items of 8 cents per share on revenue of $568million.