Yes, you are right, there are some positive news for 2018, most of the negative news is spread, they spread the news that makes everyone scared and panic, my advice, they have to support giving some articles that can invite everyone to keep believing in crypto
But, sometime negatif news are very beneficial, especially for huge investor. If you trust and follow the development of your assets, i think that's a chance to buy more assets.
When you think the market is down it increases, when you think the market is up, it drops. In the cryptocurrency market it is hard to predict unless you are the expert
Yes, it's hard for people who just keep for trading. I think in cryptocurrency market you should to follow the development of your assets while trading, because positive/negative news is very affect in cryptocurrency market. So, you can decide to sell or buy more assets.
IMOThe recent market decline was caused by the ICO project cashout, and because investors are afraid of fraud, they choose to give up investing in ICO, and the price of ETH will also decrease.