Daily Briefing (English)

2026-09-23 · KOSPI & Nasdaq
Headline

September 23, 2026 Financial Market Closing Briefing

Key Takeaways
  • The KOSPI rose 0.90% to close at 7,080.92, supported by concurrent net buying from foreign and institutional investors.
  • The KOSDAQ gained 1.21% to finish at 844.48, driven by inflows into growth stocks including secondary batteries and biotech.
  • The NASDAQ surged 4.86% to finish at 27,244.28, fueled by strong semiconductor gains and ongoing AI momentum.
Highlights

KOSPI

Inflows into large-cap semiconductor stocks on favorable global AI and semiconductor industry trends supported consolidation above the 7,000 level.

Highlights

KOSDAQ

Easing interest rate uncertainty and growing risk appetite for tech growth stocks led the rebound amid stock-specific action.

Highlights

NASDAQ

A surge in the Philadelphia Semiconductor Index and optimism regarding Big Tech AI investments drove strong across-the-board buying in technology names.

Today's Watchlist
  • Schedule of the US-China summit and developments in bilateral semiconductor and AI trade negotiations
  • Sustainability of foreign net buying alongside the USD/KRW exchange rate holding within the 1,350–1,360 range
  • Impact of Big Tech new AI service rollouts on legacy platform and financial sector segments
Risk Note

While AI optimism continues to propel major indices, caution is warranted regarding valuation burdens from rapid short-term gains and potential volatility stemming from external policy variables, including US-China diplomatic negotiations.

Last updated: 2026-09-23 16:00:17