China’s markets are under pressure from the widening Chinese Communist Party’s regulatory crackdown – which is likely as much about imposing party discipline and control as much as it was ever about consumer protection. But as investors fret about crashing China stocks, rising global uncertainty and the destabilisation caused by the Afghan debacle, the Chinese are likely to up the pressure and further test a distracted US administration. “Interesting times” lie ahead for global markets as the tension threatens to escalate.