There are a lot of reasons that might have influenced the value of bitcoin to pump like its pumping currently, some of the factors might include endless bitcoin hard forks, one other major factor might be the fact that a lot of countries are now using bitcoin,  its getting more popular and mostly used in most countries which is driving the demand up. We should expect $10 000 by the end of this week and $15 000 by the end of this year, bitcon grows like no other cryptocurrency.