Yes it is still ok to invest in etherium because etherium is one of the good altcoin in the cryptocurrency that most people are investing. With its long trrm profit , a good earn altcoin next to bitcoin. Etherium is the number one altcoin that ICO is using for their projects. But not only etherium is ok to invest , now that most of the altcoins are in dip , there are many choices for users to invest . And its the right time now to buy altcoins.