When things seems to be going out of control, people tend to be flustered and panic. The previous and on going drop caused a commotion in the bitcoin industry causing more and more people to sell. Many have seen and experienced the almost same kind of situation so they are not worried. If one knowd that Bitcoin is volatile and does not settle to a state permanently, then one should not overly worried. You can hold as long as you want and wait for the right opportunity like I do. You can also sell but definitely not on an amount that will cause you a huge blow and loss. Patience and game plan is the key.