On September the 15th, Beijing stopped trading with cryptocurrency, according to the official news. Furthermore, the Chinese government decided to stop all related operations and to block registration of the new users.
The main goal of this decision is to ensure the safety of the investments and accordingly, investors. China tries to protect its economy and its market, so this was the first step.
At the moment, we don’t know are there additional reasons for this new decision, but there are some speculations! The cryptocurrency ban had a negative effect on Bitcoin of 5%, on the stock exchange in the United States.