Authorities vow strong action against excessive won volatility

South Korea's foreign exchange authorities signaled Monday their readiness to step in if won volatility continues, after the local currency slid to its weakest level since the global financial crisis.

"Recent volatility in the forex market appears to have been amplified not only by supply and demand factors but also by speculative foreign exchange transactions, including those in the non-deliverable forward market," said Yoon Kyoung-soo, director general of the International Department at the Ba ...