A Mirae Asset building in Seoul. Mirae Asset Securities plans to re-enter the Japanese market by acquiring Tokyo-based Sanko Securities. Finance Mirae Asset plans to buy Japan's Sanko Securities for about 5 billion yen in return to Tokyo market Mono Scoops 8h Mirae Asset Securities plans to acquire all issued shares of Sanko Securities, a subsidiary of Japan's Okasan Securities Group, for about 5 billion yen through a United States intermediate holding company, with board approval and an announcement expected on October 29. Read Full Story