Yes china's bad news always have impact for market to be down but it already happen multiple times since years ago but anything bad is not happening. We should be smarter as an investor just to not believe anything pop up on media and with no filtering at all.
I'm sure whatever china do with bitcoin, it won't make bitcoins drop, and i'm also sure china has already took much advantages from bitcoin and they won't let it go.
If China continues to ban bitcoin, in the future it is likely that China will not have much effect on bitcoin.
As investors, we must also filter the information obtained, because it is very important for the Fundamental that will happen.