It all depends on how long you want to purchase coins. If you want long-term in - DASH, ETH, ETC, LTC, ZEC, XMR is the coins that slowly but steadily increase.
If for a short time - in the WINGS, now is a good entry point. They have a December release beta version of the platform. Well, of course, don't forget part of the money hold in bitcoins. As well as to capture and withdraw profits.