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Kospi Leads Asian Markets; Samsung Electronics, SK Hynix, Kioxia Rise

TradingKey
AuthorAlan Long
Jun 24, 2026 12:58 AM

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During the early Asian session on June 24, Japanese and South Korean markets exhibited a technical recovery following significant prior-day sell-offs. The KOSPI surged 4.14%, driven by a rebound in semiconductor leaders like Samsung Electronics and SK Hynix, while the Nikkei 225 remained cautious with a 0.18% decline. This rebound reflects short-term position covering rather than a fundamental shift in market sentiment. Investor focus remains on potential volatility in US tech stocks and upcoming earnings from Micron Technology, which will serve as a critical catalyst for determining the sustainability of the memory chip sector's performance.

AI-generated summary

TradingKey - In the early Asian session on June 24, Japanese and South Korean stock markets saw a technical recovery after yesterday's sharp sell-off. South Korea's KOSPI index opened at 8,356.79 points, up about 1.86% from the previous trading day's close of 8,203.84 points; as of press time, the KOSPI stood at 8,543.68 points, up 4.14%. The Nikkei 225 index opened at 69,615 points, down about 0.31% at the open, and was at 69,691.12 points as of press time, down 0.18%.

kospi-f536ee4c7f5244cd8639b809185f98bd

KOSPI Index Performance, Source: TradingView

In terms of individual stocks, South Korean semiconductor leaders rebounded significantly after yesterday's plunge. As of press time, Samsung Electronics rose over 7% to 332,000 won; SK Hynix climbed about 3.8% to 2.653 million won; Japanese memory chip giant Kioxia also gained, rising over 5% to 96,980 yen.

samsung-e8964232fafc4d5cb2cac5a67aa36c29

Samsung Electronics Stock Price Performance, Source: TradingView

The performance of Japanese and South Korean stock markets in early trading today is more of a technical recovery following yesterday's sharp sell-off rather than a complete resolution of market risks. On Tuesday, South Korea's KOSPI triggered circuit breakers as heavyweight semiconductor stocks like Samsung Electronics and SK Hynix plummeted, unleashing concentrated market concerns over overheated AI chip trading, leveraged ETF risks, and global tech stock valuations. Following a day of sharp declines, some capital chose to cover positions in high-weight chip stocks, driving the KOSPI's early rebound.

However, looking at the market performance, the recovery is uneven. The rebound in the South Korean market is noticeably stronger than that in Japan, primarily because Samsung Electronics and SK Hynix experienced larger declines yesterday, leading to a stronger catch-up effect at today's open. Although the Nikkei 225 entered positive territory intraday, it still opened lower, showing that the Japanese market remains cautious about overnight fluctuations in US tech stocks and the movement of the yen.

On the news front, investors remain focused on whether global semiconductor stocks can halt their decline, and whether Micron Technology's earnings will validate the strength of the memory chip cycle. If US tech stocks continue to face pressure tonight, the early rebound of Japanese and South Korean semiconductor stocks may still face volatility; if Micron ( MU )'s earnings report and guidance deliver positive signals, Samsung Electronics, SK Hynix, and Kioxia are expected to continue attracting short-term capital inflows.

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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