The so-called "memory dual leaders" — Samsung Electronics and SK Hynix — led the advance, with both names posting outsized gains and driving much of the index's upside. Market participants cited renewed risk appetite and positioning around the memory chip complex as the main catalysts behind the move.
A circuit breaker is triggered on KOSPI when the index moves beyond a set threshold within a short window, temporarily pausing trading to curb volatility. The back-to-back halts underscore the speed and magnitude of this two-day rebound, which comes after a stretch of heavier selling pressure in Korean equities.
Key points:
Date: July 22, 2026
- KOSPI circuit breaker triggered for a second straight day
- Samsung Electronics and SK Hynix led the rally as the primary drivers
- Sentiment around memory/storage chips has been a key catalyst
Source: hstong.com
