I think that many peoples belive in fact that thay can be rich over night,and thay invest money because thay see or read in news how fast bitcoin grow,the main fact is whit this percentage of new investitors bitcoin is best way for easy and big money.
Ity's common knowledge that demand and supply plays the elementary role in determining bitcoin's prices and so for the p[rice to be rising so high can only be attributed to the global mass adoption of bitcoin and other altcoins since it brings on board security , privacy and safety.