The current cryptocurrency is very unstable, I can't give you the most accurate judgment, but I can recommend some coins that look good!
XRP
MIOTA
VET

 Bitcoin is freedom and you cant stop it. People always want freedom. Even if Goverments restrict bitcoin they never stop or prevent using bitcoin. We think China Gov. restrict the bitcoin but they have biggest bitcoin economy in the world

I'm new in crypto world and im looking for best platform to invest. It better to invest in bitcoin or new exchange? If new exchange which one is good and easy?

Defend on the coin of ICO you want to invest, there many ICO's that the price is higher but not listed in market coz ico is sltill going on, good if you can buy their coin b4 Ico end especialy in the 1st round  the price is mostly cheaper than the nxt round, and if this coin is listed into the market when ico end you can sell coin, sometimes after 2 or 3 months if you hold your coin the price increase...