I suggest hold if the coin is longterm because it will recover no matter what the market situation is. If the coin is not longterm I would not suggest to hold it for so long because I know it will dump by some investors and owners little by little.
Hmm in my own perspective, you should really hold your coins. You should wait until it's price will recover and get bigger than before. Don't panic and by the way, I'm sorry for your loss it's just a part of life. That's life. We all experience that kind of situation so better be wiser than before.