I believe that the best investment is to be hybrid in the mean of investing your money in 20 parts. And keep an eye on all of them, or you could use a bot like I do. The one I am using is gunbot, I believe the best in the market atm with amazing support. In fact I am a reseller and support. You can check it out at my blog. There is a post both in English and Greek
RE: Which is the best cryptocurrency to invest my 200 Euros in today (Aug, 17), with stable growth possibilities?