Samsung, SK Hynix and Leveraged ETFs Drive 70% of Korea Trading - Bloomberg.com

The significant growth in South Korean market trading is primarily driven by Samsung, SK Hynix, and leveraged ETFs, reflecting the central role of the semiconductor industry in the Korean economy. Sam... Read original →

The trading surge in Samsung and SK Hynix, amplified by leveraged ETFs, reveals the Korean equity market’s acute exposure to memory cycles. Technically, surging AI demand for HBM3E/HBM4 is forcing equipment and materials suppliers to accelerate upgrades—while further marginalizing mature-node capacity. On compliance, tightening U.S.-ROK export controls have materially increased overseas fab setup costs, especially for back-end operations in mainland China. TSMC and Micron will likely exploit this: TSMC by scaling CoWoS advanced packaging, Micron by pushing CXL-based memory architectures. If global AI capex slows structurally within 18 months, Korea faces disproportionate valuation corrections. Overconcentration in a few tech names via leveraged ETFs risks liquidity spirals—not just a financial quirk, but a symptom of fragility in the geopolitically fractured semiconductor supply chain.