Samsung Electronics and SK Hynix are falling more than 3% side by side on the 22nd.According
Samsung Electronics (005930) and SK Hynix (000660) fell over 3% on the 22nd, trading at 216,500 won and 1,249,000 won respectively. U.S. semiconductor stocks rose, but domestic firms showed weakness due to AI infrastructure concerns. Both companies completed large share buybacks, with SK Hynix burning 3.3% of its shares. KB Securities noted undervaluation and potential rebound.
How this was made

The 30-second read
Why it matters
The buybacks reduce supply and signal confidence, but broader AI‑infrastructure investment concerns keep the sector under pressure.
Market read
The completion of massive buybacks in two leading Korean chip makers provides a fresh catalyst that could support a short‑term rebound, though sector‑wide AI investment concerns remain.
What to watch
Potential macro‑economic headwinds and AI investment uncertainty could dampen the expected rebound despite the buybacks.
Background
Both Samsung Electronics and SK Hynix announced the early completion of large share repurchase programs, removing a sizable portion of their outstanding shares.
Ticker impact
Samsung Electronics completed a 15 trillion‑won share buyback, ending its treasury‑stock program a month early, while its shares fell 3.13% on the day.
potential upside as the market prices in the reduced share count and undervaluation
Large‑scale buyback (≈3% of shares) is a material corporate action; the recent price drop creates a possible rebound opportunity.
SK Hynix finished a 40 trillion‑won share buyback, the largest domestic treasury‑stock burn, while its shares fell 3.48% on the day.
possible price recovery as investors reassess valuation after the buyback
Completion of a massive buyback (≈3.3% of issued shares) is a fresh catalyst that could reverse the short‑term sell‑off.
Market effects
Domestic semiconductor sector may see broader support if investors view the buybacks as a sign of confidence and reduced supply.
Korean market could experience modest uplift in semiconductor stocks, countering recent weakness.
Limited to Asian markets; global investors may watch for similar buyback trends in other chip makers.
Counterpoint
The price declines may reflect deeper concerns about AI‑related capex, suggesting the buybacks may not be enough to sustain a rally.
Key entities
- companySamsung Electronics
Korean semiconductor giant that completed a 15 trillion‑won buyback.
- companySK Hynix
Korean memory chip maker that completed a 40 trillion‑won buyback.



