Tech/Semi +3% — The HBM Cycle and the CXMT Counter-Investment Thesis
Samsung Electronics and SK Hynix both committed to record-level R&D and capex specifically as a counter to China's CXMT memory challenger, per our coverage today. SK Hynix: 40조 KRW+ total capex commitment. Samsung: 16조 KRW R&D. This is strategic escalation in DRAM and HBM (High Bandwidth Memory) — the AI inference chip market's most capacity-constrained input. The market is reading these commitments as HBM supply-chain insurance: if Samsung and SK Hynix are investing at record levels, they believe the demand cycle (driven by hyperscaler AI build-out via NVIDIA H200/B100 platforms) is durable. LPL (LG Display) +3.0% in the same session adds the OLED/display component to the Korea tech supply chain story — smartphones and OLED TVs getting a demand signal. LPL's recovery is underappreciated relative to SK Hynix's HBM narrative.