South Korea's KOSPI has continued its volatile run, closing 3.8 per cent higher on Wednesday. (AP PHOTO)South Korea's KOSPI has continued its volatile run, closing 3.8 per cent higher on Wednesday. European shares inched up on Wednesday morning as investors awaited signs of progress in the US-Iran negotiations. HSBC shares fell nearly three per cent a day after its results as investors digested analysts' reaction to the figures. MSCI's broadest index of world shares rose 0.4 per cent.