Details:
https://cryptomonster.net/news/bitcoin-price-drop-is-this-the-best-time-to-buy-bitcoinist/index.html
First question do you really have a bitcoin on hold or to sell?because seems like you making some panicking issue here but the truth is you have no bitcoin on hand
I will hold and hold even if it takes me more than many times,or until my target value attained by this great coin,then i may release all my bitcoin,or maybe i will wait until the whole world accept this cryptocurrency even if not in my time.but my childrens in future