Key facts
- KOSPI rose 3.46% to 5,658.65 at Tuesday's opening.
- Dow Jones Industrial Average gained 0.28% overnight.
- S&P 500 advanced 0.7% overnight.
- Nasdaq Composite climbed 0.82% overnight.
- AI startup Anthropic disclosed strong revenue growth in its IPO filing.
South Korean stocks opened higher on Tuesday, mirroring gains on Wall Street, as renewed optimism surrounding artificial intelligence and easing oil prices lifted investor sentiment. The benchmark Korea Composite Stock Price Index (KOSPI) rose 189.18 points, or 3.46 percent, to 5,658.65 at the opening bell. Overnight, major U.S. indices also closed higher, with the Dow Jones Industrial Average up 0.28 percent, the S&P 500 up 0.7 percent, and the Nasdaq Composite up 0.82 percent. Investor sentiment was further bolstered by AI startup Anthropic's disclosure of strong revenue growth in its U.S. IPO filing, which reignited enthusiasm for AI-related stocks. Additionally, oil prices retreated amid hopes of easing Middle East tensions, following reports of Qatari mediation efforts involving Iran and the United States.