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Japan, South Korea Stocks Open Lower and Extend Losses; Kospi, Nikkei 225 Drop Over 1% as Samsung, SK Hynix and Kioxia Slump

TradingKey
AuthorBlock Tao
Sep 1, 2026 12:40 AM

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On Tuesday (September 1) Asian time, Japanese and South Korean stock markets opened sharply lower, tracking overnight US losses. The South Korean KOSPI dropped 1.05% below the 6,800 mark, while the Nikkei 225 fell 1.01%, pressured by broad declines in major chip heavyweights including Samsung Electronics and SK Hynix. The downturn was exacerbated by weakness in the US semiconductor sector. Additionally, escalating Middle East tensions pushed international crude oil prices above $85 per barrel, intensifying investor concerns regarding rebounding inflation and prolonged high interest rates by central banks.

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TradingKey - Japanese and South Korean stock markets drop sharply at open! South Korean stocks fall 1.05%, losing the 6,800 mark; Nikkei falls over 1%, with chip heavyweights opening lower across the board.

On Tuesday (September 1) Asian time, impacted by the decline in US stocks in the previous trading session, both Japanese and South Korean markets opened lower and continued to slide. South Korea's KOSPI Index opened down 1.05%, losing the 6,800 mark to trade at 6,748.49 points. The two major heavyweights also opened lower, with Samsung Electronics falling 1.35%, dropping below the 260,000 mark to trade at 256,500 KRW; SK Hynix fell 0.66% to trade at 1,663,000 KRW.

kospi-7e6ecffb605b4d609f15a281de66f716

KOSPI Index Chart, Source: TradingView

The Nikkei 225 Index fell 1.01%, trading at 65,643.98 points; two major heavyweights also declined, with Kioxia falling 2.04%, losing the 49,000 mark to trade at 48,970 JPY, while SoftBank shares fell 1.33% to trade at 5,131 JPY.

US stocks weakened overnight as all three major indices dropped, while softness in the US semiconductor sector triggered morning pullbacks in heavyweights Samsung Electronics, SK Hynix, and Japanese chip equipment stocks, weighing on sentiment at the Asian market open. In addition, renewed Middle East tensions drove a sharp rise in international crude oil prices (USOIL), which broke above $85/barrel this morning, sparking market concerns over rebounding inflation and central banks maintaining high interest rates.

This content was translated using AI and reviewed for clarity. It is for informational purposes only.

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