Is This the Single Best Reason to Buy Amazon Stock Right Now?

Amazon's AWS division is identified as the primary driver for future stock outperformance. With a 39% operating margin compared to 7.8% for e-commerce, AWS generates 5x more profit per dollar and accounts for 60% of operating income. AWS revenue grew 37% year-over-year in Q2, and with massive data center investments coming online, the company is positioned to accelerate operating profit growth faster than revenue growth.