SEOUL: The KOSPI 200 index presented a mixed performance as market trading closed, with notable gains in technology stocks and declines in several other sectors. Key stocks such as NCsoft, LG Chem, and SK hynix saw substantial increases, while companies like COSMAX and Hanjin KAL experienced significant downturns. According to Yonhap News Agency, NCsoft's shares rose by 14,200 won to reach 210,500 won, marking a significant gain in the tech sector. Similarly, SK hynix and LG Chem saw their stock prices increase by 8,200 won and 6,500 won, respectively, with SK hynix closing at 196,000 won and LG Chem at 324,500 won. These gains underscore a positive trend for technology and chemical manufacturing companies within the index. In contrast, COSMAX faced a decline, with its stock price dropping by 3,100 won to close at 141,400 won. Hanjin KAL also saw a considerable decrease, with shares falling by 3,300 won to 89,800 won. Other companies experiencing declines included KAL, with a decrease of 250 won to 23,300 w on, and KIWOOM, which fell by 1,400 won to 135,800 won. Additional gains were observed in SeAH Steel Holdings, which increased by 3,000 won to 162,300 won, and Youngpoong, which saw the largest increase of 22,000 won, closing at 379,000 won. Meanwhile, Samsung Biologics and DoubleUGames maintained their previous closing prices, showing no change in their stock values. The overall mixed performance reflects varied investor sentiments across different sectors within the KOSPI 200 index.