I would definitely invest in ripple like I already have. Ripple is promising and holds a great potential. It is, however, a currency to hold on for a long-term investment.  A lot of investors has invested in this coin because of the promising project it has developed. Once the benefits of the project get known to the world, this coin's value will skyrocket. Do not go for the popular coins but rather research and see how much potential an altcoin holds