Episode Description:
Samsung's HBM4 breakthrough landed the same week foreign money fled Korean chips.
Samsung's HBM4 yield hit roughly 80 percent, reshaping the race with SK Hynix just as foreign investors sold nearly 6 trillion won of chip stocks in a week. The won posted its widest monthly swing since the financial crisis, and covered-call ETF assets jumped 70 percent as investors brace for more volatility.
Sources:
- Samsung achieves "golden yield" on HBM4, ramps up supply — Seoul Economic Daily, 2026-08-09
- Memory-foundry-packaging teamwork speeds up HBM4E mass production — Seoul Economic Daily, 2026-08-09
- Foreign investors dump 6 trillion won of semiconductor stocks in a week on AI caution — Seoul Economic Daily, 2026-08-09
- Monthly won volatility nears 50 won, widest since the financial crisis — Seoul Economic Daily, 2026-08-09
- Covered-call ETFs see rising inflows amid extreme market swings — Seoul Economic Daily, 2026-08-09
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:
#Samsung #SKHynix #HBM4 #KoreanWon #CoveredCallETF #KOSPI #AIPRISM #SeoulEconomicDaily #WANIFRA
