For opening long trades we have to wait for a correction wave. Fibo Retracement tool can give us good entry level for our trades. I like 38,2%, 50% and 61.8% levels which are more reliable. Also price reversal from these levels should be confirmed by RSI , candlestick patterns. Only after that we'll be able to open long trades and join to the up trend.
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@DLavrov One another reason for the fall is the successful ICOs such as Bancor Protocol - 396,720 ETH, Aeternity - (PHASE 1+ PHASE 2 ~ 252,000 ETH) and etc. Such companies probably want to sell a part of the ETH to cover expenses for a couple years and reduce risks.