The lower bitcoin price is due to a wave of regulatory uncertainty over weeks and a ban on advertising by technology companies and the decline is also due to investors monitoring the warnings from some regulators and increasing crackdowns on the virtual currency market in China.
I think OP is not asking for the whole period of the previous few months but he is asking for the few days when the price of bitcoin started to increase and then it stopped and again started to decline. I think that drop is because of some misunderstanding and now again the investors started to invest in bitcoin and now again the price started to increase and will reach to a high price.