The current price drops are caused by whales to cause panic and buy as much cheap coins as possible from frightened inexperienced investors. There is no doubt that as soon as they have full pockets, the ETH price will start to grow. This is how this market works.
I think it is caused by ICO dumping. So the price drop will finish soon.
Making token based ethereum is too easy, this is what makes now there are hundreds of ICOs based ethereum, but I'm sure that ethereum is a coin that has a good future because investors are optimistic about the future of ethereum.