ROSEN, A LONGSTANDING AND TRUSTED FIRM, Reminds Groupon, Inc. Investors of Important Deadline in Securities Class Action - GRPNPRNewsWire • 06/05/20
GROUPON DEADLINE ALERT: Faruqi & Faruqi, LLP Encourages Investors Who Suffered Losses Exceeding $50,000 In Groupon, Inc. To Contact The FirmPRNewsWire • 05/20/20
INVESTOR NOTICE: ROSEN, NATIONAL TRIAL LAWYERS, Reminds Groupon, Inc. Investors of Important Deadline in Securities Class Action; Encourages Investors with Losses in Excess of $100K to Contact the Firm - GRPNPRNewsWire • 05/18/20
What Is a Poison Pill and Why Have So Many Companies Adopted Them Recently?The Motley Fool • 04/26/20
Groupon (GRPN) Down 71.3% Since Last Earnings Report: Can It Rebound?Zacks Investment Research • 03/19/20