At this point of time when all the coin's prices are showing a dip, Ethereum would be your best investment as the coin has the most potential. Ethereum is not just an investment asset but is highly flexible and versatile as it can also be used as a token for smart, decentralised applications. Also, it can be used as a platform for posting new ICOs. The coin has one of the best development teams behind it and has the potential to cross the $600 mark by the end of 2018 leading nearly 300% profit returns.