Structural Risks Beneath South Korea’s Semiconductor Driven Market Optimism

JPMorgan has projected that South Korea’s KOSPI could reach 9,000 to 10,000 by the second half of 2026. However, such optimism may rely excessively on a narrow semiconductor-centered narrative tied primarily to companies such as Samsung Electronics and SK Hynix without properly accounting for the intensifying competition from the United States and other countries. While large scale investments tied to AI and data center construction were announced in South Korea, many projects have yet to demonstrate critical path towards execution and operation. Given that the AI related industrial investment cycles may require more than a decade to produce sustainable returns, a rapid shift in geopolitical and economic conditions could make long term projections increasingly uncertain. Furthermore, as demonstrated historically in the semiconductor competition with Japan, the United States may not indefinitely tolerate South Korea concentrating semiconductor production capacity and generating disproportionate strategic profits over the long term.

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