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Japan, South Korea Stocks Diverge in Early Trade; Nikkei 225 Turns 0.22% Higher, Kospi Drops 0.06%, Kioxia Rises Over 1%

TradingKeyOct 22, 2026 12:34 AM

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On October 22, Japanese and South Korean stock markets diverged initially before recovering. The Nikkei 225 turned positive, up 0.22% to 64,764.54, while the KOSPI narrowed its decline to 0.06% at 5,732.23. Semiconductor shares showed mixed results across both regions. This regional resilience followed a strong overnight U.S. market session, where major indices closed higher, driven by robust corporate earnings and rebounding artificial intelligence trading sentiment. The S&P 500 gained 0.58% for its third consecutive advance, the Dow reached a one-month high, and the Nasdaq climbed 1.05%, reflecting broader global equity momentum.

AI-generated summary

TradingKey - On October 22, Japanese and South Korean stock markets diverged in early trading, with Japanese equities turning around from losses to gains while South Korean equities gradually narrowed their losses. Japan's Nikkei 225 Index opened down 0.13% at 64,539.36 points before rising 0.22% to 64,764.54 points; the Korea Composite Stock Price Index (KOSPI) opened down 1.1% at 5,670.11 points, with losses later narrowing to 0.06% at 5,732.23 points.

kospi-864c6d802fef4c139e0dbad7ca450806

Source: TradingView

South Korean semiconductor stocks delivered a mixed performance, with Samsung Electronics rising 0.22% in early trading to 224,000 won (about $169), while SK Hynix fell 0.46% to 1.288 million won. In the Japanese market, Kioxia rose 1.52% in early trading to 13,715 yen (about $87), while SoftBank Group slipped 0.15% to 4,615 yen.

Overnight, U.S. stocks were boosted by strong corporate earnings, with major indices closing higher across the board and AI trading sentiment showing recovery. The S&P 500 Index rose 0.58% to 7,757.17 points, marking its third consecutive trading day of gains; the Dow Jones Industrial Average gained 0.69% to 52,856.09 points, closing at a new high in more than a month; the Nasdaq Composite Index climbed 1.05% to 26,702.86 points, marking its second single-day gain of over 1% this week.

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

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Disclaimer: The content of this article solely represents the author's personal opinions and does not reflect the official stance of Tradingkey. It should not be considered as investment advice. The article is intended for reference purposes only, and readers should not base any investment decisions solely on its content. Tradingkey bears no responsibility for any trading outcomes resulting from reliance on this article. Furthermore, Tradingkey cannot guarantee the accuracy of the article's content. Before making any investment decisions, it is advisable to consult an independent financial advisor to fully understand the associated risks.

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