from the past we saw that bitcoin path is going to down and its is really happening today.January 2016 i saw the price of bitcoin is 200$+ but now its 650$ . its a an eye catching to see that bitcoin price is rising so for me this is the reason that i am investing in bitcoi.
I think you also have to be prepared with all the possibilities that if price could be back down 2 fold and could possibly upp? no one people can predict it. so you have to continue to be prepared for all price movements at any moment. That investment in bitcoin have a huge risk