By the altcoins with small market capitalization, i prefer to invest with xrp ripple coin. This coin has a potential even for a long term investment i think. Currently showing good performance in the market, and has a good fluctuation activity in the early of this year 2020. I think thia coin has a brigjt future.
you should learn a lot of information about this coin. If we talk about investing in this coin for a long time, then I think that this is a bad idea. Check the graphs of this coin and you will understand that it is better to buy it only for the middle-term and to sell it after the pump. volatility is very high