Listed units of Korea’s top 10 conglomerates account for slightly over half of the country’s stock market capitalization, showed data by corporate tracker CEO Score last week. The 181 listed subsidiaries of the 10 largest family-controlled business groups had a combined market capitalization of 778.5 trillion won ($700 billion) as of end-July, or 51.2 percent of the value of all shares traded on the main bourse.