A Cheongung missile launcher is displayed during the Seoul International Aerospace and Defense Exhibition (ADEX 2025) at Seoul Air Base in Seongnam, Gyeonggi Province, South Korea, on October 17, 2025.
South Korean defense stocks saw massive gains on Tuesday after the country’s markets returned from a public holiday, as the Iran war fuels interest in defense names globally.
Heavyweight Hanwha Aerospace, which is South Korea’s largest defense manufacturer, saw shares surge nearly 25%, before paring gains to about 13%, while Korea Aerospace Industries gained more than 12%, but cut those to 2.4%.
Shares in air defense systems maker LIG Nex1 soared 25%, while electronic warfare systems manufacturer Victek and anti-aircraft missile components’ maker Firstec saw shares rise more than 20% and 15%, respectively.