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The South Korean stock market experienced a critically important surge in the week prior to February 15, 2026, driven by optimism surrounding a potential supercycle in the semiconductor industry. The KOSPI index reached a new high, exceeding 5,500 points, fueled by strong performance in key tech stocks. Though, global markets presented a contrasting picture, with volatility stemming from concerns related to artificial intelligence and its impact on various sectors.
Specifically, the anticipation of High Bandwidth Memory (HBM4) production and shipments boosted shares of Samsung Electronics and SK Hynix, with gains of 6% and 3% respectively.Foreign investors contributed to the rally with a ample net purchase of 4.4 trillion korean Won over four consecutive trading days, resulting in a record high market capitalization held by foreign entities.
Conversely,global markets,particularly in the United states,faced increased uncertainty. Concerns about the broader implications of AI, extending beyond the software sector to finance and real estate, triggered significant market fluctuations.The S&P 500 experienced intraday swings, including a rapid 50-point decline followed by a swift recovery within minutes. cryptocurrencies, including Bitcoin, also saw a substantial correction, falling from a peak of $126,000 to the low $60,000s in a four-month period. This represents a 50% decline from its recent high. The period of February 2-9, 2026, was characterized by a divergence between positive sentiment in the domestic Korean market and heightened anxiety in international markets.
February 2-9, 2026, Weekly Market Summary
The first week of February 2026 was marked by a notable disconnect between the performance of the Korean stock market and global markets. While the KOSPI benefited from strong semiconductor sector performance, international markets grappled with AI-related anxieties and broader economic concerns.
Key Developments in the Korean Market
- KOSPI Performance: The KOSPI index surpassed 5,500 points, reaching a new all-time high. [https://finance.naver.com/](https://finance.naver.com/)
- Semiconductor Sector Strength: