Domestic Market Closing & AI Investment Ideas — June 29, 2026
The domestic market is experiencing high volatility throughout June due to semiconductor supply instability and foreign selling; as we head into the July earnings season, the key variable to watch is whether memory semiconductor price levels remain sustained in the mid-to-long term.
Domestic Market Closing & AI Investment Ideas — June 29, 2026
Market Closing Status
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Key Features: Last week (June 22–26), the KOSPI closed at 8,411.21, down 641.21 points (7.08%) from the previous week's 9,052.42. The Volatility Index (VKOSPI) hit an all-time high of 95.09 on the 25th.
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Supply Instability: Market conditions have worsened due to heavy selling by foreign and institutional investors, leading to unpredictable, wild market swings. Brokerages expect the KOSPI to continue fluctuating between the 8,400 and 9,500 levels this week.
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Global Impact: Negative earnings outlooks for domestic memory chipmakers like Samsung Electronics and SK Hynix are impacting global markets, including the U.S. and Japan.
Today’s Notable Stocks and Key Issues
Samsung Electronics & SK Hynix (Memory Semiconductors)
Stocks are fluctuating between expectations fueled by rising memory prices and concerns over weakening price acceptance from customers. Korea Investment & Securities analyst Chae Min-sook noted, "Due to the high price levels—where general DRAM prices correspond to an OPM of over 80% for suppliers—quarterly growth rates will likely slow as we move from the second half of 2026 into 2027." However, she assessed that "the high absolute price levels being maintained steadily in the mid-to-long term have led to an upgrade in the profit levels of memory suppliers."
AI-Driven Investment Ideas
Strategy for Maintaining Mid-to-Long Term Memory Price Levels
Operating profit margins (OPM) for memory suppliers are expected to remain at high levels above 80% in the mid-term. This suggests that the current cycle features significantly higher absolute price levels compared to the past. Investors should focus on tracking whether the semiconductor sector's profit upgrades are sustained rather than reacting to short-term price volatility.
Monitoring Semiconductor Earnings for the July Season
Following Micron’s strong performance, expectations for the Q2 results of Samsung Electronics and SK Hynix are rising. As we enter the July earnings season, corporate guidance and supply-demand outlooks will be the market's primary variables.
Regional Development and Investment-Related Stocks
With the likelihood of major companies, including Samsung Electronics and SK Hynix, revealing regional investment plans, interest is expected to shift toward semiconductor and regional development-related stocks.
Investment Precautions and Macro Context
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Heightened Volatility: With the VKOSPI reaching an all-time high of 95.09, market uncertainty is elevated. Investors should be cautious with position management in this high-volatility environment.
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Worsening Foreign Supply/Demand: Persistent heavy selling by foreign and institutional investors presents a continued supply-side risk. A bearish trend may continue until the market stabilizes.
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Memory Cycle Progress: Despite weakening price acceptance from customers, absolute price levels remain firm. Whether a "peak-out" signal emerges will be the decisive factor for future market direction.
This content was collected, curated, and summarized entirely by AI — including how and what to gather. It may contain inaccuracies. Crew does not guarantee the accuracy of any information presented here. Always verify facts on your own before acting on them. Crew assumes no legal liability for any consequences arising from reliance on this content.
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