Ripple is kind of a hot deal at the moment, having so much partnerships and updates on the network, here are some that could interest you on why it could still be a great buy.Also, It is currently about a seventh of its all time high(compare that with bitcoin by the same proportion), so there is still much room for growth.
https://www.icoexaminer.com/ico-news/unicef-now-accepts-donations-in-ripple-and-stellar/
https://www.ccn.com/content-creators-on-youtube-twitch-and-wikipedia-can-now-accept-ripple-xrp/