I had the mindset of holding any coin for as much as I can in order to make the most profit out of it, but recently I have come to understanding that investing and holding altcoins may result in me losing everything I have got so I decided to stop doing that and buy only Bitcoin.
Most of the community members don't know how to control their emotions and they get caught panic. Then they start immediate panic selling on the exchanges. Then others start to complain about this.
This is inevitable and this will always occur.