{"slug": "krx-activates-sell-side-sidecar-for-kospi-on-sharp-decline", "title": "KRX activates sell-side sidecar for KOSPI on sharp decline", "summary": "The Korea Exchange (KRX) activated a sell-side sidecar for the KOSPI on Wednesday after the index fell more than 4.5%, suspending program trading for five minutes around 10:55 a.m. The decline was driven by retail investors selling large-cap stocks like SK hynix amid concerns that massive spending on artificial intelligence (AI) may not generate sufficient returns to justify elevated tech valuations.", "body_md": "Korea's bourse operator on Wednesday activated a sell-side sidecar for the benchmark Korea Composite Stock Price Index (KOSPI) after the index fell sharply, led by tech losses.\n\nProgram trading in KOSPI-listed shares was suspended for five minutes around 10:55 a.m., according to the Korea Exchange (KRX).\n\nThe KOSPI fell by more than 4.5 percent.\n\nThe decline came as retail investors sold off large-cap stocks, including SK hynix, as investors question whether massive spending on artificial intelligence (AI) will generate returns enough to justify elevated tech firms' valuations.\n\nA sell-side sidecar is triggered when the KOSPI 200 Futures Index falls 5 percent or more for at least one minute.", "url": "https://wpnews.pro/news/krx-activates-sell-side-sidecar-for-kospi-on-sharp-decline", "canonical_source": "https://www.koreatimes.co.kr/economy/20260729/krx-activates-sell-side-sidecar-for-kospi-on-sharp-decline?utm_source=rss", "published_at": "2026-07-29 02:47:03+00:00", "updated_at": "2026-07-29 02:55:55.958144+00:00", "lang": "en", "topics": ["artificial-intelligence"], "entities": ["Korea Exchange", "KOSPI", "SK hynix"], "alternates": {"html": "https://wpnews.pro/news/krx-activates-sell-side-sidecar-for-kospi-on-sharp-decline", "markdown": "https://wpnews.pro/news/krx-activates-sell-side-sidecar-for-kospi-on-sharp-decline.md", "text": "https://wpnews.pro/news/krx-activates-sell-side-sidecar-for-kospi-on-sharp-decline.txt", "jsonld": "https://wpnews.pro/news/krx-activates-sell-side-sidecar-for-kospi-on-sharp-decline.jsonld"}}