It's basically the Blockchain is flooded by an unconfirmed transaction, This strange thing happened right after some shit news regarding Co-Founder of Bitcoin.com decided to sold his BTC and buy BCH. This is obvious that there is a group behind it that spreading the FUD to dump BTC. This may what they called "Operation Dragon Slayer". But don't worry once they realize that crypto market will be dump as well, They will shitting BTC again. Expect new ATM after this Big crash. Keep on Hodling or Bag some cheap BTC!