While you slept, Seoul traded
Tuesday, October 13, 2026

KOSPI plunges 5.46% on foreign selling; Samsung unveils AI memory push

Korean equities suffered a severe selloff as foreign investors dumped shares, sending the KOSPI down 5.46% and triggering a sell-side sidecar, while Samsung's chairman was set to receive shares worth $1.94 billion from his mother. In tech, Samsung used the OCP event to unveil next-generation AI memory and highlight its AMD partnership, even as Korean chip stocks slid on China's DRAM push.

Markets & chips

KOSPI

The session saw the benchmark index drop sharply on heavy foreign selling, with a market-wide circuit breaker mechanism activated to curb the decline.

KOSPI plunges 5.46% as foreign selling drives valuations to record low
The Korea Times

The KOSPI fell 5.46% as foreign selling pushed valuations to a record low.

KRX activates sell-side sidecar for KOSPI on sharp fall
The Korea Times

The Korea Exchange activated a sell-side sidecar for the KOSPI following the sharp decline.

KOSPI clings to 6,000 amid foreigners' heavy selling
BusinessKorea

The KOSPI held near the 6,000 level as foreign investors sold heavily.

Foreign selloff sends Kospi down 5.5% as chip giants tumble
The Korea Herald

The Kospi dropped 5.5% in a foreign-led selloff, with large chipmakers among the biggest decliners.

KOSPI falls below 6,000 amid foreign selloff
BusinessKorea

The KOSPI opened below 6,000 as foreign investors sold.

Samsung Electronics

Samsung used the OCP event to present its next-generation memory strategy for AI data centers, while a separate report examined how AI supply chain exposure is splitting third-quarter outlooks for Samsung and LG parts units.

Samsung chairman to receive Samsung Electronics shares worth $1.94 bil. from mother
The Korea Times

Samsung's chairman is set to receive Samsung Electronics shares worth $1.94 billion from his mother.

Samsung showcases next-generation AI memory at OCP, highlights AMD partnership
The Korea Times

Samsung showcased next-generation AI memory at OCP and highlighted its partnership with AMD.

Samsung unveils next-gen memory strategy for AI data centers at OCP
The Korea Herald

Samsung unveiled its next-generation memory strategy for AI data centers at OCP.

AI supply chain exposure splits Q3 outlook for Samsung, LG parts units
The Korea Times

Differing exposure to the AI supply chain is splitting third-quarter outlooks for Samsung and LG parts units.

Korean chipmakers

CXMT's new DRAM tech to test Korean memory makers' dominance
The Korea Times

CXMT's new DRAM technology is seen as a test for Korean memory makers' dominance.

KAIST's HBM pioneer honored with S&T Innovation Award
The Korea Times

A KAIST HBM pioneer was honored with the S&T Innovation Award.

Korean chip stocks slide on China's DRAM push
BusinessKorea

Korean chip stocks slid amid China's DRAM push.

Jeonnam-Gwangju expands semiconductor belt
BusinessKorea

The Jeonnam-Gwangju region is expanding its semiconductor belt.

Business of culture

K-pop agencies

K-pop agencies win authority to self-rate music videos under new law
The Korea Times

Under a new law, K-pop agencies gained the authority to self-rate their music videos.

BTS, Blackpink, Stray Kids face off for top MAMA honors
The Korea Herald

BTS, Blackpink and Stray Kids are competing for top MAMA honors.

Blackpink's Jennie marks 20th week on Billboard's Hot 100 with 'Dracula'
The Korea Herald

Blackpink's Jennie marked her 20th week on Billboard's Hot 100 with 'Dracula'.

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.