Everything is explained by the fact that the cryptocurrency market is now in crisis and all projects are trying to level it. Bitcoin has passed the stage of decline and is now aiming up. The time will come for Ethereum, but we need to wait.
All coins gets too affected on this drop, we can say that almost all coins drops prices from their ICO prizes. It could be because many long term holders already exit in crypto, or just merely the fact we that maket needs tobe corrected.