do you have good suggestion for altcoins who can do x4 x6 in the next big rally , i do not mean x4 x6 in $ but in BTC ... if i buy 0.5 BTC of this coin the total return need to be 2 BTC ... i was thinking ICON icx and another one ? maybe ontology nano ?
They are a lot of coins in the market that you can buy and get to x2 or x4 but need to research of which are those probably are worth to buy. As of now ill recommend is to choose those in top 10 coins in the market because those are trusted and for a longterm coins.