Bitcoin price fall and increase is common, everytime during the fall people will be getting panic and used to sell low missing the profit. With bitcoin one need to have patience to profit rather than selling on panic. This time the price drop is very big, but the same doesn't have a perfect reason behind as every digital coin is experiencinga drop and only very few are in the price pumping.
Exactly it was normal that price drop and pump. Even its price drop you don't need to do panic selling. Because it was a good news. Just hold for it and it will be worth it in the end. Just know how to wait. It was proven that whenever the price dump it will pump double of its price.