That's normal because we are attracting more investors right now so we can retest the next resistance. The price of ETH will not go lower to $150 again, and right now we are forming another candle for the next pump.
The price pump easily but the same thing happen when its dumping.
Learn from this chart, and you will see a great pattern!
We have to learn on every level, it's ok to dump the coins especially when you have profit already and this is why the price always go down after hitting good price.