{"slug": "south-koreas-chip-giants-log-record-rally-boosting-global-ai-trade", "title": "South Korea’s chip giants log record rally, boosting global AI trade", "summary": "SK Hynix surged nearly 13% and Samsung Electronics climbed approximately 8% on July 15, lifting the KOSPI index by 6.24% to close at 7,284.41, as renewed optimism around high-bandwidth memory chips for AI infrastructure drove the record rally. The gains followed a brutal sell-off earlier in July when SK Hynix suffered a 15% single-day drop, and were fueled by positive analyst forecasts and softer US inflation data. South Korean equities have risen approximately 100% year-to-date in 2026, largely driven by the two chipmakers.", "body_md": "Via koreaherald.com\n\n# South Korea’s chip giants log record rally, boosting global AI trade\n\nSK Hynix and Samsung Electronics posted their largest single-day gains ever as AI memory demand reignites investor appetite across global tech markets\n\nSouth Korea’s two biggest chipmakers just had the kind of day traders dream about. SK Hynix surged nearly 13% and Samsung Electronics climbed approximately 8% during trading in Seoul on July 15, dragging the broader KOSPI index up 6.24% to close at 7,284.41. That’s a 427.58-point jump in a single session.\n\nThe catalyst? A renewed wave of optimism around high-bandwidth memory chips powering the AI infrastructure boom.\n\n## From sell-off to snapback\n\nThis rally came on the heels of a brutal sell-off earlier in July that saw SK Hynix suffer its steepest one-day drop on record, with shares cratering roughly 15%. That plunge was driven by profit-taking and growing anxiety over whether Big Tech’s AI capital expenditure spree was sustainable.\n\nPositive analyst forecasts around AI memory demand, combined with softer US inflation data that lifted American semiconductor stocks, provided the confidence boost Seoul needed. Chip-equipment maker Hanmi Semiconductor rode the wave even harder, gaining about 25% in the session.\n\nSouth Korean equities have risen approximately 100% year-to-date in 2026, and the lion’s share of that performance traces directly back to SK Hynix and Samsung Electronics.\n\n## Why this matters beyond Seoul\n\nSK Hynix is the world’s leading supplier of HBM chips, and Samsung is its primary competitor in that space. HBM chips stack multiple layers of DRAM to deliver massive bandwidth and have become the bottleneck component in AI server design.\n\nThe softer US inflation data that helped catalyze the rally reduces the probability of further rate hikes, which is broadly supportive for growth and tech stocks. When risk appetite returns to US markets, it tends to flow outward into correlated sectors globally, and South Korean semiconductors sit squarely in the crosshairs of that capital flow.\n\n## What this means for crypto and digital asset investors\n\nThe AI infrastructure buildout has significant downstream effects on crypto mining and decentralized compute networks. Projects focused on GPU and compute marketplaces, from Render to Akash, depend on the same semiconductor supply chain that SK Hynix and Samsung dominate.\n\nThe risk to watch is the same one that triggered the earlier July sell-off: whether AI capital expenditure growth can sustain its current trajectory. SK Hynix already demonstrated that vulnerability with its 15% single-day drop earlier this month.\n\n**Disclosure:** This article was edited by Editorial Team. For more information on how we create and review content, see our\n\n[Editorial Policy](https://cryptobriefing.com/editorial-policy/).", "url": "https://wpnews.pro/news/south-koreas-chip-giants-log-record-rally-boosting-global-ai-trade", "canonical_source": "https://cryptobriefing.com/south-korea-chip-rally-global-ai-trade/", "published_at": "2026-07-31 10:12:41+00:00", "updated_at": "2026-07-31 10:38:48.469831+00:00", "lang": "en", "topics": ["artificial-intelligence", "ai-infrastructure", "ai-chips"], "entities": ["SK Hynix", "Samsung Electronics", "KOSPI", "Hanmi Semiconductor", "Render", "Akash"], "alternates": {"html": "https://wpnews.pro/news/south-koreas-chip-giants-log-record-rally-boosting-global-ai-trade", "markdown": "https://wpnews.pro/news/south-koreas-chip-giants-log-record-rally-boosting-global-ai-trade.md", "text": "https://wpnews.pro/news/south-koreas-chip-giants-log-record-rally-boosting-global-ai-trade.txt", "jsonld": "https://wpnews.pro/news/south-koreas-chip-giants-log-record-rally-boosting-global-ai-trade.jsonld"}}