if you are looking for manipulative coins and proven to be one , then best to invest in Dogecoin as it is how it works , for how many times this coin moves
 such that and yes it has been shown for many occasions .

                 -best to be ready in long waiting if you invest in this not unless you have chosen the right timing and yes .
looking at how much doge climb and dump in the past years?

                  --maybe you have Idea or if not then check the graph https://coinmarketcap.com/currencies/dogecoin/ as I have once lucky
that i made a timing to earn x5 couple years ago and never invest in it again after selling lol.
if he does then it will happen , Elon is the Only key of dogecoin and other Meme coins/Shitcoins to pump to their ATH.