On August 10, 2026, the South Korean stock market witnessed a notable upswing as the KOSPI index climbed by 2%, reaching 6,394.06 points. In terms of individual stock performance, SK Hynix emerged as a standout performer, with its shares surging over 4%. Samsung Electronics also experienced a significant boost, with its stock price rising more than 3%. During the morning trading session on that day, the Korea Exchange took proactive measures by implementing the SIDECAR mechanism. This action led to a temporary halt in programmed buying activities on the KOSDAQ market, a move aimed at maintaining market stability.