As reported earlier today, Chinese news source Caixin, citing unnamed sources, said that regulators are looking to shut down the exchanges. That decision, the newspaper claimed, has already been made and disseminated to other sources. Yet in the wake of that story, exchanges in China said they haven't receive any notices from the Chinese government, casting doubt on the veracity of the Caixin report.

https://www.coindesk.com/bitcoin-price-sinks-4200-china-uncertainty/

I think a HUGE Bitcoin PLAYER is just trying a Major Pump and Dump scare tactic to buy lower.