Business · Markets · 7 hrs ago
South Korean Optical Communications Shares Rise on Renewed AI Data Centre Hopes
South Korean optical communications shares surged early on Nov.
10 as hopes for AI data centre development recovered.
Expectations had weakened after the US midterm elections, but investors became more optimistic about continued investment.
Major investment banks called data centre regulation concerns excessive, easing fears that AI spending would shrink.
RFHIC shares rose 16.73% in morning trading, while Daehan Optical Communication and Light & Electronic also gained.
US optical communications stocks also climbed overnight, including Coherent, which rose 16%, and Ciena and Lumentum, which each gained 10%.
The moves matter because optical communications companies are seen as potential beneficiaries of the AI investment cycle; no further developments were specified.
South Korean optical communications shares rose sharply on November 10 as hopes for AI data centre development recovered.
RFHIC was up 16.73% at 49,550 won at 9:55 a.m. on the KOSDAQ.
Daehan Optical Communication and Bit & Technology were also up 7% and 5%, respectively.
The gains followed a rise in US optical communications stocks after major investment banks described concerns about data centre regulation as excessive.
- Who
- RFHIC, Daehan Optical Communication and Bit & Technology shares rose.
- What
- South Korean optical communications shares climbed as expectations for AI data centre development recovered.
- When
- November 10, 2026; RFHIC was up at 9:55 a.m.
- Where
- South Korea’s KOSDAQ market.
- Why
- Major investment banks said concerns about data centre regulation and a resulting slowdown in AI investment were excessive.
This story does not have two clearly opposing sides.
Expectations for AI data centre development had weakened.
US optical communications stocks rose, including Coherent, up 16%, and Ciena and Lumentum, each up 10%.
RFHIC was trading 16.73% higher at 49,550 won on the KOSDAQ.
- RFHIC
- Up 16.73% to 49,550 won at 9:55 a.m.
- Daehan Optical Communication
- Up 7%.
- Bit & Technology
- Up 5%.
- Coherent
- Up 16% overnight.
- Ciena and Lumentum
- Each up 10% overnight.
What people are saying
Morgan Stanley, UBS and Jefferies assessed concerns that data centre regulation would weaken AI investment as excessive
Morgan Stanley's presentation of optical communications as a major beneficiary of the AI investment cycle also had an effect