Is it our friend Elon Troll Musk again?
Most probably this guy contributed to huge dump of btc price as well as other cryptocurrency coins, that suffered a lot of times drowning so bad. Though there's no certain fact about the truth, but it was just an ideas which is closer to reality because of his wealth and huge influence. Many people followed him through his success, and maybe this is a serious issues that most people have been fascinated specially on Elon Musk twitts.
This might not be talking directly with Bitcoin but rather with dogecoin where it did jump 10% after a profile pic change? WTF.