KOSPI jumps over 6% intraday, program trading briefly halted as memory chip giants surge
Question
KOSPI jumps over 6% intraday, program trading briefly halted as memory chip giants surge
Direct answer
KOSPI’s outsized move and volatility spike drive flows into KRW-denominated tech equities and derivatives, with renewed interest in SK Hynix and Samsung Electronics as AI and memory beta plays.
- Original publisher
- Market Ontology
- Evidence through
- 2026-07-22
- Published
- 2026-10-20
- Revision
- 1 · 2026-10-20
Cite as: Market Ontology, “KOSPI jumps over 6% intraday, program trading briefly halted as memory chip giants surge”, revision 1, evidence through 2026-07-22. https://marketontology.com/market-events/2026-07-22/kospi-jumps-over-6-intraday-program-trading-briefly-halted-as-memory-chip-giants-36e052
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What happened next
Price follow-up pending — no stored daily closes for these assets yet.
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Sources
Related
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- 2026-10-19South Korea regulator reviews possible dual-listing violations involving SK Hynix subsidiary Solidigm000660.KS SOXX
- 2026-10-19South Korean President Lee Jae-myung orders a policy review to restore normal trading conditions in the stock marketKOSPI KRW
- 2026-10-19South Korea’s Financial Supervisory Service flags possible dual-listing violations involving SK Hynix’s Solidigm000660.KS SOXX
- 2026-10-19South Korea regulator flags potential dual-listing violations involving SK Hynix subsidiary Solidigm000660.KS SOXX
- 2026-10-19Samsung Electronics and SK hynix lead a record weekly rout in South Korean semiconductor shares000660.KS 005930.KS SOX
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