Amazon.com, Inc. (NASDAQ:AMZN) shares are trading higher after reporting better-than-expected Q3 financial results and strong Q4 guidance. The company's Q3 revenue rose by 13% to $143.1 billion, beating expectations. Earnings per share were 94 cents, up from 28 cents YoY. AWS sales reached $23.1 billion, marking a 12% YoY increase. The upcoming Federal Reserve decision on interest rates could impact Amazon's sales and investor sentiment.