Groupon (GRPN +4.3%) is adding to this week's huge pre and post-earnings rally, undoubtedly...

|By:, SA News Editor

Groupon (GRPN +4.3%) is adding to this week's huge pre and post-earnings rally, undoubtedly boosted by short-covering. The gains come as AllThingsD reports Groupon has hired Amazon (AMZN) payments chief Vinayak Hegde to be its VP of engineering. Hegde joins several other former Amazon execs at Groupon, including CFO Jason Child, product VP Jeff Holden, and Americas VP Kal Raman.