Samsung and SK hynix see KOSPI weighting fall to 50 percent
The combined weighting of South Korea's two chipmakers fell to 50.0% of market capitalization, leaving non-tech exporters starved of liquidity as retail capital retreats.
DKBy Dae-hyun Kim, Korea correspondent, trade and policy··Updated October 25, 2026·3 min read
ShareLinkedInXWhatsAppEmailAutomated equipment processes a semiconductor wafer inside a cleanroom facility as technicians work in the background. (AI-generated image)
Samsung Electronics and SK hynix saw their combined weighting on the benchmark KOSPI index fall to 50.0% on Oct. 24, according to Korea Exchange data.
The dip marks a five-point retreat from June 22, when the two semiconductor manufacturers accounted for 55.7% of total market capitalization. That historic peak occurred before global technology hardware spending slowed.
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Korea correspondent, trade and policy — Dae-hyun Kim tracks Korean industrial policy from the draft notice stage: subsidies, tax credits, export licensing and the trade measures that follow.
