KOSPI spikes over 5 pct, briefly topping 9,000 level again on chip rally after Micron earnings - upi.com

South Korean stock market experienced a significant rally, with KOSPI index surging over 5% and briefly surpassing the 9,000 level, primarily driven by a strong rebound in chip stocks. The immediate c... Read original →

Micron’s earnings beat isn’t just a market catalyst—it’s confirmation that the memory cycle has bottomed. Technically, sub-3nm nodes intensify reliance on EUV, forcing SK Hynix and Samsung to accelerate tool procurement, indirectly boosting TSMC’s (Taiwan, China) leverage in advanced packaging. On compliance, tightening U.S. export controls compel Korean firms to re-engineer DRAM test flows for China-bound shipments, likely inflating operational costs by over 15%. Strategically, NVIDIA may exploit this momentum to fast-track HBM4 adoption, pressuring Korean rivals into premature volume production—a de facto AI memory arms race. Over the next 12–24 months, AI-driven demand will bifurcate the sector: firms mastering HBM and CXL interconnects will capture 80% of incremental profits, while those stuck in consumer DRAM face lingering oversupply.