Korea's won decoupled from US Treasury yields as KOSPI firms posted a 254% profit surge and Samsung raised foundry prices.
The Korean won strengthened past 1,400 per dollar even as US 30-year Treasury yields hit their highest level since 2007, breaking the usual currency-rate relationship. Meanwhile, a memory-stock sell-off hit Samsung and SK Hynix despite record first-half corporate profit, SK Hynix's 100 trillion won shareholder return plan, and Samsung's foundry price hikes. This episode unpacks what the currency, earnings, and chip-supply signals mean for global investors positioning in Korea.
Sources:
- Won Strengthens Despite Surging US Treasury Yields, Could Test Mid-1,300s — Seoul Economic Daily, 2026-08-19
- AI Memory Sell-Off: Supercycle Cracking Even as HBM Demand Holds — Seoul Economic Daily, 2026-08-19
- SK Hynix to Unveil Special Dividend in October, Shareholder Returns Seen Nearing 100 Trillion Won — Seoul Economic Daily, 2026-08-19
- Half-Year Operating Profit at KOSPI Firms Jumps 254%, Led by Samsung and SK Hynix — Seoul Economic Daily, 2026-08-19
- Reuters: Samsung Raises Foundry Order Prices by Up to 15% — Seoul Economic Daily, 2026-08-19
About AI PRISM:
AI PRISM is Seoul Economic Daily's WAN-IFRA award-winning newsroom AI series, delivering Korean economic news adapted for global audiences. Episodes are produced with AI assistance and reviewed by a human editor.
Tags:
#USDKRW #KoreanWon #KOSPI #SKHynix #Samsung #GlobalInvestors #AIPRISM #SeoulEconomicDaily #WANIFRA
