This is not the first  time the price of Bitcoin has dropped and its not gonna be the last time.  What people need to understand is that, the rise and fall of the market value of Bitcoin is actually the nature of the bitcoin market and the underlining reasons or causes for the rise and fall are not really unknown or seen. A lot of people have their stories and theories behind this rise and fall.  As a Bitcoin investor, you just have to study and observe trends to help you know when to sell or buy to increase your proit portfolio and minimize your lose potential...