South Korean shares soared as much as 12 per cent at the open to swiftly erase almost all of their worst-ever daily slump a day earlier. SEOUL: South Korea 's benchmark Kospi index staged a dramatic recovery on Thursday (Mar 5), soaring as much as 12 per cent at the open to swiftly erase almost all of its worst-ever daily slump a day earlier, lifted by renewed hopes of progress in Iran diplomacy. The rebound was fuelled by reports of secret diplomatic outreach from Iran's Ministry of