if you want to invest in altcoins, this is the right time for you, because all altcoins are very cheap, buy good altcoins like the one below:
1. ripple
2. cardano
3. Holo
4. nem
5. dogecoin
As of this moment there is no guarantee that these altcoin you mentioned will perform better in the market. Unless this ripple that almost took the second spot on the list in terms of volume of trades in a day.