SONM is good also for longterm investment and for sure this coin will increase more in the future and if you have a lot of sonm you will earn a lot of profit. I have sonm coin and I will hold it for for few months to make more profit. You can try also this 4 altcoins. Waves , taas ,qtum and komodo this coin will gives you high profit in the future and the price of the coin is less than 10 dollars. That coin is for longterm!