You need to be calm in this situation mate it is normal that market prices falls down because it is part of markets fluctuation,the best thing you need to do is to be remain patience so that you can think properly and find good ways to earn and recover your losses.
Quite right, you need to keep calm and understand that while you did not sell, you did not lose anything, well, or try to trade a little, so that firstly the money worked, and secondly when there will be growth (and he will definitely) what would you get big profit