if you want to grow your earn you can invest some potential altcoins such as Waves,Eth,eth classic,monero,dash.i think if you invest now on these coins after two or three years you can make better profit.also there are some other coins which is not listed yet in coinmarketcap such as Envion,tokenpay,bitcoinwhite.
Envion and Tokenpay is a very good project, of course it will soon appear in coinmarketcap soon. there are some more good coins like tron or SXDT, it will also be a good choice