Yes, this is tricky and the reports are showing lot of HK cash is being laundered safely back at the Aust housing market and explains suddenly all the buying at boom prices again since the protests started.
The Chinese want all the money "stolen" from mainland china back and IF they invade, they will take people and cash back for a relaxing holiday where all your worries fade away and "dissapear" , a bit like what happens to enemies of the state from that robust unbending NO questioning system!
I have many watched stocks related to HK, but holding off buying for various reason related to the unrest there AND others factors not...
