While you slept, Seoul traded
Tuesday, October 20, 2026

KOSPI slides nearly 4% on AI jitters and France unrest

Seoul stocks fell sharply as AI-sector jitters and unrest in France weighed on sentiment, with the KOSPI dropping nearly 4% on the day after opening more than 2% lower. Samsung Electronics pushed out global marketing and retail news for its AI appliances and Art Store, while HYBE and its labels drew attention for streaming milestones and overseas expansion.

Markets & chips

Korean markets & the won

The session's decline followed a weak open, with the index already down more than 2% shortly after trading began.

Seoul stocks slide nearly 4% on AI jitters, unrest in France
The Korea Herald

The Korea Herald reports Seoul stocks fell nearly 4%, citing AI jitters and unrest in France.

Bank of Korea

BOK, BoE expand cooperation on tokenization projects
The Korea Times

The Bank of Korea and the Bank of England are expanding cooperation on tokenization projects, The Korea Times reports.

Samsung Electronics

Samsung's news cycle spanned home appliances, display art content and memory demand, with a securities firm's estimate pointing to tight memory supply for 2027.

Samsung "The Brief" home appliance seminars go global
Samsung Newsroom

Samsung Electronics held its "The Brief" home appliance tech seminars across five regions — the US, Europe, Latin America, Southwest Asia and Southeast Asia — showcasing AI-powered appliance experiences tailored to each market.

Samsung Art Store adds 19 works from Art Basel Paris 2026
Samsung Newsroom

Samsung expanded its Art Basel collection on Samsung Art Store with 19 new artworks from galleries participating in Art Basel Paris 2026, available on Samsung Art TVs in every market where the service operates.

Samsung's 2027 memory output already 80% booked: KB Securities
The Korea Herald

KB Securities says 80% of Samsung's 2027 memory output is already booked, The Korea Herald reports.

Samsung Electronics expands SSD brand campaign across global landmarks
Samsung Newsroom

Samsung is extending its "Choose the sure thing" SSD campaign to out-of-home advertising at major landmarks including Times Square in New York, Piccadilly Circus in London and sites in Hong Kong.

Business of culture

K-pop agencies

Illit's "Magnetic" fastest K-pop group debut song to 900 mil. streams
The Korea Times

The Korea Times reports Illit's "Magnetic" became the fastest debut song by a K-pop group to reach 900 million streams.

A2O Lite's strong start tests whether Lee Soo-man's K-pop formula still works
The Korea Herald

The Korea Herald reports A2O Lite's strong start is being watched as a test of whether Lee Soo-man's K-pop formula still works.

HYBE

HYBE's international push and its artists' streaming performance were both in the news, alongside a separate test of a rival K-pop production model.

Hybe bets on King, TXT and festival format to win Indian music fans
The Korea Herald

The Korea Herald reports HYBE is leaning on King, TXT and a festival format to grow its audience in India.

K-drama, film, webtoons & streaming

Taiwan content agency partners with "The Roundup" producer at Busan film festival
The Korea Times

The Korea Times reports a Taiwan content agency signed a partnership with the producer of "The Roundup" at the Busan film festival.

About this briefing Every day after the Seoul close, we summarize Korean markets, chipmakers and the business of K-pop, K-drama, webtoons and games — from company newsrooms, the Bank of Korea and Korea's English-language press. Summaries are AI-assisted and stick to what the linked reporting states.