South Korean Stocks Jump 5% After Turbulent Week on AI Swings - Bloomberg

South Korean stocks surged 5% following a turbulent week, driven by strong demand in the semiconductor industry fueled by artificial intelligence development. The rally reflects growing investor confi... Read original →

The 5% surge in South Korean equities reflects a structural shift: 3nm and EUV advancements have unlocked unprecedented AI compute density, compressing lead times for HBM and advanced packaging. This cascades upstream, forcing EDA vendors and materials suppliers to accelerate compatibility cycles. However, tightening U.S. export controls compel TSMC (Taiwan, China) and Samsung to localize production in the U.S., inflating capex by 15–20% and delaying yield ramps. Intel is exploiting this window with its Intel 18A node to capture AI foundry share, while SK Hynix deepens CoWoS-L integration with NVIDIA. Over the next 18 months, AI chip competition will pivot from raw performance to energy efficiency plus geopolitical compliance—making regulatory risk a secondary pricing lever. Without meaningful non-U.S. equipment localization by 2027, non-American players face 3–5 percentage points of gross margin erosion.