Yes you can, if you believe on that invest that you can afford to lose, so that you will not regret if ever the market of it will sudden down or go high in the future. We all knows cryptocurrency is so unpredictable, so its a big risk to put our money here in crypto world, whatever coins did you invest it.
Cryptocurrencies are highly risky investments. Here, no one knows where the course will go next. There are certainly manipulators on the market, but I think that even they do not have a complete picture of what is happening and do not control the process 100%. The market is really unpredictable.