Many altcoins have a potential and productive in the market. You just need to choose the best for you. In the future this will be more and more. Now the people tends to invest in altcoin than any other business. becasuse they know about the future.
yes, now many Altcoins have potential in the future, I think only ALTcoin is good and has great support that will survive in the future if for long-term investments I recommend choosing trusted Altcoin like ETH or NEO.