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The Market Ear

May 21, 2026

Koreas AI Mania

Market ReportEquitiesInformation Technology

The KOSPI and major Korean semi-conductors like SK Hynix and Samsung are undergoing an extreme 'AI melt-up' characterized by reflexive buying and 'upside panic'. Technical indicators suggest the rally remains intact despite heavy foreign selling as domestic retail and Goldman Sachs maintain a bullish outlook.

Key Takeaways

  • 1.The KOSPI is experiencing an extreme 'AI melt-up' characterized by upside panic and violent buying on every minor dip.
  • 2.Major semiconductor names Samsung Electronics and SK Hynix are reaching new All-Time Highs (ATH) with extremely resilient buy-the-dip behavior.
  • 3.Goldman Sachs maintains a bullish view on South Korea based on low price-to-book valuations and light foreign positioning.

Table of Contents

  • Korea's AI Mania
  • The KOSPI beast
  • Vol extreme
  • Can't keep a good man down
  • ATHs again
  • Keep it simple
  • Not even extremely overbought
  • Still bullish
  • Still cheap and still selling

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