If you haven`t sold Amazon.com, Inc. (AMZN) at $2891, when you saw the slowest growth since 2001:
Then you should know that the 51.89 Price per Earnings ratio is still high compared for example to BABA, Alibaba, who has the same business model, but a P/E of 23.39 - which is still high, btw. Should be around 18 in my opinion.