Cryptocurrency market is highly volatile this fact is known by every individual so it is clear that if a person has some kind of gain then it is wise to sell that coin. If the price rises then there are now two options with each user whether he should sell and and but somewhat new coin which he desire and may be he hold it to gain more profit. Selling with low price is not a good plan as it is full of loss. Users can buy even lots of other coins if he sell one with profit.