Derivatives could threaten emerging-market growth, says Mobius

If anything is going to derail the recovery in emerging markets, it's most likely to be restrictions on world trade and/or potential problems posed by derivatives contracts, says emerging-markets guru Mark Mobius. "Any restrictions on world trade, such as those imposed by the US, could cause problems for emerging countries," says Mobius, executive chairman of Templeton Asset Management in Singapore. As for derivatives, the danger is that they could cause another global crisis, he ad…