There are many reason why the price is increasing and the main thing why the price is increasing its because bitcoin is in demand that is why the price of bitcoin is increase look at the google trends more people right now are searching with bitcoin that i think they are also investing in bitcoin just to wait that they can make a good profit.. there are times that there are more traders are investing more bitcoin to make more profit, that is why the price of bitcoin keeps increasing..
yes that is right that there are a lot of reason which are causing the increase in the price of bitcoin. but i think that the main reason is that the demand of bitcoin is increasing because of the profit that people are expecting from bitcoin. to me i think that the demand of bitcoin will continue increasing for a long time and the price of bitcoin is expected to cross 10000$ in future.