The benchmark KOSPI advanced 0.32% to around 5,315 on Tuesday, extending its winning streak as South Korean shares tracked overnight gains on Wall Street. Sentiment improved as investors became less wary of the high valuations in artificial intelligence–related stocks, while attention shifted toward key US macroeconomic releases due later this week.
In the US, major indices finished higher overnight, with the Nasdaq Composite up 0.9% and the S&P 500 gaining 0.47%, supported by renewed buying in leading technology names.
In Seoul, heavyweight stocks opened on a mixed note, though chipmakers and automakers outperformed. Samsung Electronics rose 0.36%, SK Hynix added 0.34%, Hyundai Motor climbed 2.62%, and Kia Corp advanced 1.30%. By contrast, energy and defense names retreated, including LG Energy Solution (-0.89%), Doosan Enerbility (-1.15%), and Hanwha Aerospace (-4.95%).