Market Extra: Investors fear buoyant global markets vulnerable to China credit crunch

Investors warn the cheery mood in global stock and commodity markets could come to a violent end if Chinese policymakers tighten lending to prevent their economy and financial markets from overheating.

Investors warn the cheery mood in global stock and commodity markets could come to a violent end if Chinese policymakers tighten lending to prevent their economy and financial markets from overheating.