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.
Bitcoin is falling, it is panic time? I think you should stay calm. Anything is under control. Why? Bitcoin can recover fast. But, in what way? Bitcoin industry have a lots of investor so Bitcoin can make a way to strength up their currency from falling the price. Bitcoin can make alternative way to avoid decreasesing by selling products to investor. You must stay calm and do not believe to the panic time of Bitcoin.
We do not need to be panic, volatility become commonplace in bitcoin, this is because most of bitcoin users are trader so they always do it to gains profit. When bitcoin is adopted by most of people in the world, the volatility will less happen. It is fine if you sell your bitcoin when panic selling happen but make sure that the price will keep fall, then you can buy bitcoin at the lower price, this is called cut lost/ opportunity sell. Just don't be panic, we can take benefits from panic selling.