Daily Briefing (English)

2026-10-30 · KOSPI & Nasdaq
Headline

Daily Global & Domestic Financial Market Briefing: October 30, 2026

Key Takeaways
  • The Nasdaq closed down 1.38% amid concerns over Big Tech earnings and AI capital expenditure profitability.
  • The KOSPI tumbled 3.48% as heavy foreign net selling triggered an intraday sell-sidecar.
  • The KOSDAQ fell 3.83% to finish at 724.38, reflecting broad-based risk-off sentiment.
Highlights

KOSPI

Volatility surged as foreign investors heavily sold semiconductor heavyweights following earnings misses by Big Tech firms including Alphabet, briefly pushing the index below the 5,600 mark during intraday trading.

Highlights

KOSDAQ

Global risk aversion and weakness in high-cap tech and growth shares dragged the index down nearly 4% to the low 720s.

Highlights

NASDAQ

Tech-led corrections continued as concerns mounted over deteriorating free cash flow (FCF) and weak earnings relative to expanding AI capex by Big Tech.

Today's Watchlist
  • Earnings releases and after-hours market reactions for major Big Tech firms, including Amazon and Intel.
  • Whether foreign net selling in KOSPI semiconductor heavyweights continues.
  • Trends in FX volatility and whether the USD/KRW exchange rate stabilizes in the low 1,330 range.
Risk Note

If uncertainty persists regarding short-term returns on heavy AI investments, extended valuation pressure on tech equities could trigger further market volatility.

Last updated: 2026-10-30 16:00:25