SK Hynix Stock Plunges 11% in Seoul, Slips After Hours in New York as Hot CPI, Fed Hike Bets and AI Funding Worries Weigh
SK Hynix (NASDAQ:SKHY) shares dropped 11.42% in Seoul to KRW 1,257,000 ($929.92) on Thursday, amid global chip selloff driven by U.S. inflation data, Fed rate-hike expectations, and AI funding concerns. Samsung Electronics also fell 8.84%. SK Hynix's Nasdaq-listed ADRs closed 6.06% lower on Wednesday at $147.55 and fell 3.96% to $141.71 in extended trading.
How this was made

The 30-second read
Why it matters
The macro data triggered a rapid reassessment of cost of capital for AI‑related chip makers, prompting a sharp sell‑off in SK Hynix and peers.
Market read
The article highlights a cross‑border tech sell‑off driven by U.S. inflation data, affecting Asian and U.S. semiconductor stocks.
What to watch
Potential supply‑chain constraints or competitive positioning against Samsung may offset macro headwinds.
Background
Hot U.S. CPI data and Fed rate‑hike expectations have reignited concerns about financing for AI projects, spilling over into semiconductor equities.
Ticker impact
SK Hynix shares tumbled more than 11% on the day after hotter U.S. CPI data and Fed rate‑hike expectations raised AI financing concerns.
likely further downside as investors price in higher financing costs for AI projects
The move follows fresh CPI numbers and Fed commentary, which are fresh catalysts that have already driven a sharp sell‑off.
Market effects
Semiconductor sector faces broader pressure as higher rates increase capital costs for AI‑related chip demand.
Korean market (KOSPI) fell sharply, reflecting regional sensitivity to U.S. inflation data.
Contributes to a global chip sell‑off, dragging down tech indices in the U.S., Japan and Europe.
Counterpoint
If AI funding concerns ease, the stock could rebound sharply on any positive earnings surprise.
Key entities
- companySK Hynix
Korean semiconductor manufacturer, subject of the price plunge.
- companyBroadcom
Cited for AI financing concerns, but not a primary subject.
- companyIntel
Mentioned for financing worries, not a primary subject.



