Sell what you think is the right portion to be sold. What matters is your satisfaction of what you sell and what you hold and as well as what you buy.
I mind you to take some profits while planning to hold those for long term.
For the price, everyone has a stop-loss price in their hearts. Remember to stop the loss when the price of the coin drops sharply.
There are a lot of coins going to death, and if the loss is not stopped in time, more money may be lost.
Sometimes people will stick to their choice and believe it even if the coin is dead.
It is better to focus on Bitcoin.