You could have said the same thing in December 2017 before it tanked and was lower for 3 years...with no one knowing if it would ever go back up. And give us o

You could have said the same thing in December 2017 before it tanked and was lower for 3 years...with no one knowing if it would ever go back up. And give us one historic example of it being a good time to buy when the recent price chart looks like an exponential growth curve.