You should have a plan for stop loss for you to know when to sell your coins. Stop loss is very important and i observe that many of crypto investors doesn't use or know the value of STOP LOSS. Its very important to set an stop loss to lessen your lose especially now that market was on a big crisis. If you already loss now theres no point to sell just dont forget next time to set a stop loss. The best thing to do right now was to wait for a good news to come sell when theres an opening.