While you slept, Seoul traded
Friday, October 9, 2026

KOSPI retreats to 6,600 despite Samsung's record profit

KOSPI slipped back to the 6,600 level even as Samsung Electronics posted a record profit, while SK hynix and Samsung pressed ahead with 16-layer HBM4 development. Samsung Wallet added USDC remittances, and the Busan International Film Festival opened with 'The Table: Day and Night'.

Markets & chips

KOSPI

Korea's main stock index gave back ground on the day, closing at the 6,600 level.

KOSPI Retreats to 6,600 Level Despite Samsung's Record Profit
BusinessKorea

KOSPI, Korea's main stock index, closed at the 6,600 level despite Samsung's record profit.

Samsung Electronics

Samsung Wallet Adds USDC Remittances
BusinessKorea

Samsung Wallet added USDC remittance support.

SK hynix

SK hynix and Samsung are both pushing 16-layer HBM4 as Nvidia's Rubin platform favors 12-layer parts.

SK hynix, Samsung push 16-layer HBM4 as Rubin favors 12
The Korea Herald

SK hynix and Samsung are pushing 16-layer HBM4 even as Rubin favors 12-layer memory.

Business of culture

K-drama, film, webtoons & streaming

The Busan International Film Festival opened its latest edition with 'The Table: Day and Night'.

Ambience takes center stage at BIFF opener 'The Table: Day and Night'
The Korea Times

Ambience took center stage at the Busan International Film Festival opener 'The Table: Day and Night'.

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.