(AMZN) Before Amazon may see any earnings breakthrough, the price-to-sales (P/S) ratio is a more meaningful valuation metric for Amazon stock. In 2016, Amazon stock had the sharpest rise in the previous five years compared to its historical price performance.
https://www.investopedia.com/articles/markets/053016/amazon-going-be-worth-6000-share-amzn.asp

