As there is not much of growth with altcoins relative to the growth of bitcoin this can be used as the right instance to invest onto altcoins. The possibility to profit from altcoins were high, but not every altcoin gonna get the best profit. Probably by the end of the year there will be good growth with the entire cryptocurrency which is due to the market getting stronger for the halving.
As the bitcoin increases again, the more we can think that the altcoins will soon to have their time to boost again so buying now that it's still lower on their ICO prices is a must especially for holders.