a person can calm if he has nothing to paid of, many people sell their coins when the market is down because of many expenses they need to settle so we cannot blame people they want to hold but they need to settle bills or anything in their life.
It not easy to guess the price. So market price is any time to up and down. If want to know you check the market price every day. It time to change. So you know about the market process and price up and down. It good opportunity for gather all country business information up and down. So people always check the market price then people invest. Before invest check the market place price. Then get more ideas and information of best coins. Then easy to choose and time invest.