Fall of the market is very dengerous time for all cryptocurrency projects. It is very difficult to continue to develop the project during the fall of the market because many people stop investing and there is not enough financing.
It is not very good idea to sell the tokes during the fall of the market because the price of the tokens will be small.
But all tokens are different and it is very important to evaluate the potential of the coin to understand which projects will be able to survive during the fall of the market.