Business Groupon Files for IPO WTTW News | June 2, 2011, 7:00 pm Groupon Inc. has filed for an initial public offering of stock worth up to $750 million. Jim Kirk from Crain's Chicago Business joins us to discuss the local company's latest business move. Article on the filing Groupon website Thanks to our sponsors: View all sponsors Thanks to our sponsors: View all sponsors Related Stories Chicago Hotel Workers Expand Strike as They Negotiate Wages, Working Conditions Jamie Dimon, CEO of JP Morgan Chase, on Chicago Investments, Competitive Cities and a Corporate Head Tax Rush and Endeavor Health Announce Plans to Merge Hospital Systems Changes Are Coming to CTA, Metra and Pace. Hear From the Leaders of Their New Oversight Agency Chicago Hotel Workers Continue Strike Monday as They Seek New Contract Consumer Advocates Push Back on Proposed Peoples Gas Rate Hike Sign up for our morning newsletter to get all of our stories delivered to your mailbox each weekday. View the discussion thread.