Why I'm Not Selling Amazon After a 560% Gain

I'm sticking with the e-commerce and cloud leader as my top investment.I invested in Amazon (AMZN -0.87%) in early 2016. I only trimmed my position once over the following nine years, and those remaining shares now account for 9.1% of my portfolio. It's now my largest holding with an unrealized gain of about 560%.With the uncertainty about tariffs, interest rates, and other macro headwinds rattling the markets, it might seem like the right time to sell a few more shares. However, I'm still not planning to p ...