Amazon Stocks Drop 3% Ahead of Its AWS Profit-Concentration Test

Amazon NASDAQ:AMZN traded at $246.95, down approximately 3.01% at 10.30am EST in October 29 trading, with its biggest profit engine heading into an earnings test. Third-quarter results are due after the 4 p.m. ET market close, and the focus on AWS puts cloud margins and infrastructure spending fron…