Korea Market Wrap & AI Investment Ideas — 2026-07-12

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Closing Market Status

• KOSPI Index: 7,475.94 points (↑2.52%, +184.03p)
• KOSDAQ Index: 837.43 points (↑5.47%, +43.43p)

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Key Highlights

• SK Hynix ADR Listing Leads the Way: The successful NASDAQ listing of SK Hynix has skyrocketed global interest in the semiconductor sector, sparking a widespread rally in domestic chip stocks.

• Massive Institutional Buying: Institutional investors poured over 1 trillion won into the market, driving significant improvements in liquidity. The KOSPI even breached the 7,700 mark during intraday trading, showing strong momentum.

• Positive Spillover from U.S. Tech: Strength in U.S. semiconductors and the AI tech rally have boosted local investor sentiment, signaling a clear improvement in global supply and demand.

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Today’s Market Features & Key Issues

Samsung Electronics & Samsung Electro-Mechanics - At the heart of the semiconductor rally Large-cap stocks, including Samsung Electronics and Samsung Electro-Mechanics, saw significant gains as SK Hynix’s U.S. listing triggered a revaluation of the semiconductor industry. Expectations for increased demand for AI chips also added fuel to the rally.

KB Financial - Profitability gains in the financial sector KB Financial climbed on expectations of improved fee-based income, driven by the normalization of interest rate environments in the banking sector and increased trading volume.

KOSDAQ Tech Stocks Rally - A massive 5.47% jump The KOSDAQ index soared by 5.47%, with small and mid-cap tech stocks—particularly those in AI and semiconductor materials, parts, and equipment (often referred to as 'Sobu-jang')—seeing gains across the board.

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Data-Driven AI Investment Ideas

1. Semiconductor Materials, Parts, and Equipment (Sobu-jang) Sector With the successful NASDAQ listing of SK Hynix confirming stronger global semiconductor demand, the entire industry supply chain is expected to see a boost. Specifically, KOSDAQ tech companies in the materials, parts, and equipment space recorded a 5.47% rise alongside a surge in trading volume.

2. Global AI Chip Competition Beneficiaries Driven by the strength of U.S. AI-related tech and the enhanced global competitiveness of Korean chipmakers, both large-cap firms like Samsung Electronics/SK Hynix and their related suppliers hold mid-term growth potential. The expansion in institutional buying reflects this rising interest.

3. Financial and Securities Stock Profitability Brokerage firms are expected to see improved earnings due to higher trading volumes, a hot market, and the growth of leveraged ETF trading. With institutional buying continuing, the outlook for sustained trading volume through the second half remains positive.

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Investment Risks & Macro Context

1. Renewed Middle East Geopolitical Risks Tensions in the Strait of Hormuz are escalating following President Trump's declaration to end the Iran truce and hints of potential further air strikes. A surge in international oil prices could lead to higher energy costs, negatively impacting tech stock earnings.

2. Monitoring Institutional Buying Sustainability The current market rally is heavily dependent on the 1 trillion won in institutional buying. If this liquidity improvement does not persist, there is a risk of a market correction. It is crucial to closely observe U.S. tech market trends and local institutional movements.

3. Influence of U.S. S&P 500 and NASDAQ Trends The strength of U.S. AI-related stocks is driving local sentiment. Specifically, the upcoming U.S. earnings season and the release of June inflation data are expected to be key factors impacting global market sentiment.