Own Amazon Stock (AMZN)? This Is the 1 Thing to Watch Now.

While Amazon's e-commerce is critical, I think that the better business right now is AWS because its margins are so much better. But it's that business that could be in jeopardy if Amazon's not careful. Amazon (AMZN 1.39%) is a powerhouse name in the stock market, with soaring revenues, a key role in both e-commerce and cloud computing, and a market capitalization of more than $2.3 trillion. But Amazon stock is only up less than 2% so far this year and its dominance in the cloud computing space is beginning ...