Amazon’s secret weapon remains its cloud services

Amazon, once a company with a volatile profit capacity, has started stabilizing its money-making activity in recent years. It’s shown investors that it can turn out huge gains when it wants to, due to its more capable logistics network, Prime subscription service, cloud computing efforts, and growing family of Kindle and Echo devices. This past quarter, unfortunately, was the company’s first disappointment in quite some time. The culprit appears to be Amazon's retail operating expens