Chinese and South Korean leaders have pledged to sign a bilateral trade agreement between China and South Korea by the end of this year and introduce direct trading of their currencies to spur cross-border renminbi transactions and deepen economic ties in two of Asia’s largest economies. The agreement was made between Chinese President Xi Jinping and his Korean counterpart Park Geun-hye on his first visit to Seoul. “Through these measures, exchange between companies and citizens in the tw...