Here are my top 5 - out of them all i would recommend CBT! It is still very undervalued with space to grow to $0.87 cent imo.
TOP 5:
CBT
www.commerceblock.com - Low cap + federated sidechains release v. soon.

XMR - Hodl since Jun 2017 (portfolio still green)
LSK - Hodl since May 2017 (topped out at $20 usd)
BTC - Obviously
XRP - Because everyone wont shut up about it lol.