Kospi opens down 3.5% as semiconductor losses extend
In short
South Korea’s Kospi opened down 3.5% on Tuesday, 20 October. The drop extended losses in semiconductor stocks and cut its 2026 gains to around 31%.
This matters because the index had been up nearly 116% from its record closing high in June. The report does not say what caused the early selloff or how other markets will react.
What the reporting says
South Korea’s Kospi plunged 3.5% at the opening bell, extending losses in semiconductor stocks and trimming its 2026 gains to around 31%. The move came after the index had risen to nearly 116% at its record closing high in June, according to the market summary. The immediate consequence is sharper pressure on Korean equities, while the reporting does not say when the slide may stop.
Why it matters
South Korea’s Kospi fell 3.5% at the opening bell, extending weakness in semiconductor shares and reducing its 2026 gains to around 31% from nearly 116% at its June record closing high. The report points to ongoing pressure in chip stocks but does not identify a fresh catalyst. The immediate impact is weaker sentiment in the Korean market, with the duration of the decline unknown.