All alt coin will grow, especially in new alt coin, that will become a new generation of Cryptocurrency, But some old coin like ripple will grow soon because they have many cooperate program with most of the bank in the world
Yes, I think altcoins have good future as so many ICO's are running. Need to choose better altcoins out of the available. Altcoins like eth, Litecoin, IOTA, Ripple are good and they will definitely have better future no doubt about it.