China central bank says halts 'regular' yuan intervention, will manage volatility

China's central bank has stopped "regularly" intervening in the foreign exchange market but could still conduct "effective management" of the yuan in cases of extreme volatility, its vice governor said, as policymakers tried to stem selling this week. The People's Bank of China stunned global markets on Tuesday by suddenly allowing the currency to fall by nearly 2 percent after a run of poor economic data. PBOC Governor Yi Gang, who also runs the State Administration of Foreign Exchange, was ask