The storage ETF sector is showing strong performance. As of the latest update, the Samsung Double Long ETF (07747) surged 19.95% to HKD 212.5, while the SK Hynix Double Long ETF (07709) rose 5.52% to HKD 145.25.

On June 1st, the South Korean stock market advanced, with the KOSPI index breaking above the 8800-point level. Among popular stocks, Samsung Electronics and SK Hynix both reached new intraday highs.

Samsung Electronics saw a gain of over 10% at one point, bringing its year-to-date increase to nearly 190%. The company announced last Friday that it has begun delivering the industry's first 12-layer HBM4E samples to key global customers.

SK Hynix rose over 2%, pushing its year-to-date gain beyond 260%. Previously, the Korea Exchange triggered a circuit breaker for the KOSPI market, halting program trading for five minutes after the KOSPI 200 futures index rose by 5%.

In a recent in-depth report on the global semiconductor memory industry, Goldman Sachs noted that the current memory chip upturn cycle differs from past ones. AI-driven demand sustainability, constrained supply growth, and structural changes in long-term agreements (LTAs) are driving the memory industry's transformation from a highly cyclical commodity sector into an AI infrastructure sector with more predictable earnings.