Yes, the ETH at that time price drop so much, but now the price grow at same time as with bitcoin price and the price could grow as already bitcoin is over 5150$, so even if the price will go low after don't panic and sell your hard earned coins.
Of course, we can assume that the entire cryptocurrency market will go up if the price of Bitcoin rises. But we should always take into account the fact that, in the first place, indicators can only improve the more popular coins in the cryptocurrency market. That is, I mean Coins that are in the top ten of the cryptocurrency rating.