On the cryptocurrency market, everything changes very quickly. Today bitcoin falls and everything else suffers from this, including the ICOs and the bounty campaign. But if it starts to grow, everything will become normal.
It is widely known that in summer traders go from cryptocurrency to fiat in order to calculate their profits. In any case it will start to grow after the summer and this tendency can be observed in all markets. It's not an assumption but a statement, so there's no need to worry right now.