KOSPI Surges Toward Record High as Nvidia's Blockbuster Earnings Ignite Rally in Samsung and SK Hynix Shares
South Korea's KOSPI index rose 1.34% to 6,899.50 after Nvidia's strong earnings boosted Samsung Electronics (up 3.25%) and SK Hynix (up 5.45%). Nvidia's guidance on AI chip demand and memory shortages supported investor confidence in Korean tech stocks. SK Hynix announced a $15.07B investment and a partnership for next-gen AI storage. Foreign investors returned as buyers, reversing recent selling trends.
How this was made

The 30-second read
Why it matters
The Korean market reacted strongly, with its two largest chipmakers posting double‑digit gains on the same day.
Market read
The article shows a direct link between Nvidia's earnings and Korean equity performance, offering a short‑term trading angle on Samsung and SK Hynix.
What to watch
Potential supply‑chain constraints and valuation concerns for Korean chipmakers.
Background
Nvidia's earnings beat expectations and signaled continued memory shortages, prompting a rally in AI‑related stocks worldwide.
Ticker impact
Samsung Electronics rose 3.25% on Thursday as Nvidia earnings boosted AI chip demand and Samsung unveiled its HBM4 memory chip.
Short-term upside as investors add to Samsung on AI hype.
The stock moved sharply on same‑day news of AI‑related product launch and supportive Nvidia guidance.
SK Hynix jumped 5.45% after Nvidia earnings and disclosed a 21.6 trillion‑won investment in a new plant and a partnership with SanDisk.
Further upside expected if AI memory demand stays robust.
The combination of a large investment announcement and Nvidia‑linked demand outlook spurred a sizable intraday rally.
Market effects
Korean semiconductor sector gains from Nvidia earnings, reinforcing AI‑chip supercycle narrative.
KOSPI rebounds toward record highs as foreign investors re‑enter on AI optimism.
Highlights how US chip earnings can drive Asian equity moves.
Counterpoint
If AI demand stalls, the recent rally may be over‑extended and could reverse.
Key entities
- CompanyNvidia
US chipmaker whose earnings sparked the rally.
- CompanySamsung Electronics
Korean semiconductor leader benefiting from AI demand.
- CompanySK Hynix
Korean memory chipmaker announcing new plant and partnership.


