It's not only about Bitcoin but also about many different assets. People tend to buy Bitcoin even though they don't understand cryptocurrenncies or they don't even bother to read about them. People panic right now because its price is constantly decreasing without any particular reason. Don't focus on the price, focus on the technology.
And this is why bitcoin price continuously dropping,because of those people that only enters this community to make profit even if they have no idea what this is all about,what does the reason of creating this and the technology behind this
Now that the price continues to fall these people are afraid of losing and withdrawn their investmens so the demand getting lower and lower every week