To ethereum began to grow well in price, it is necessary that the bitcoin grows in price. While it renders price dominance over other types of crypto currency, including ethereum, which allows it to make a high level of its capitalization. Also, the price of ethereum is affected by the condition of this coin, the introduction of improvements in it. So if in the near future the promised projects Casper and Plasma were introduced, for sure the popularity of ethereum and its price would rise.