1분기 코스피 상장사 순익 39%↓…반도체 등 수출 감소 영향<br /><br />The net profit of companies listed on Korea's main stock index, the KOSPI,... plunged by almost 40-percent on-year in the first quarter to around 17 billion U.S. dollars.<br />The frop is mainly due to the country's poor exports amid prolonged U.S.-China trade tensions.<br />Meanwhille, their sales inched up 0.16 percent to just over four hundred billion dollars for the January-March period. <br />