Though Amazon (AMZN) shares posted a 4% loss in 2011 thanks to profit margin concerns,...

|By:, SA News Editor

Though Amazon (AMZN) shares posted a 4% loss in 2011 thanks to profit margin concerns, Marketwatch has named Jeff Bezos its CEO of the year, touting his aggressive investments in the realms of e-commerce, mobile devices, and cloud services. While many enterprises kept a lid on hiring last year, Bezos was comfortable increasing Amazon's payroll from 31,200 in Q3 2010 to 51,300 in Q3 2011.