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.
Daily Global & Domestic Financial Market Briefing: October 30, 2026
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.
Global risk aversion and weakness in high-cap tech and growth shares dragged the index down nearly 4% to the low 720s.
Tech-led corrections continued as concerns mounted over deteriorating free cash flow (FCF) and weak earnings relative to expanding AI capex by Big Tech.
If uncertainty persists regarding short-term returns on heavy AI investments, extended valuation pressure on tech equities could trigger further market volatility.