If the condition of market in the red zone and most of coins decrease, i think it is the best time to hold your coins or investation to buy coins. This act can help the price of coins more stable and increase again, because the demand of coins still high. But if we sell our coins, of course it can be effect for decreasing of coins's price. So, if the price of coins still dump, just wait and be patient with the condition and optimist that the price of coins will be more valuable.