Because many investors in the cryptospace are only in it for fast money. If it starts to dip, they sell to maintain their profits.
Right,alot of people look at crypto as an easy way money.This creation are very useful to each one of us that is why majority to those who invested wants huge profits at an early stage of their investments and i think we can't control the rising and falling of bitcoins value due to dumpers who are panicking in times of bearish market,without even knowing that their act already contributed the continous falling of
BTC value.