Shares of SK hynix, a key memory chip supplier to Nvidia, dropped sharply on the Kospi stock exchange on Friday, declining over 9 per cent as the market reopened after the Lunar New Year holiday. The decline follows the debut of Chinese AI startup DeepSeek’s open-source AI model,

The HBM market is currently led by SK hynix and Samsung, with Micron Technology ( NASDAQ:MU) playing a smaller role. SK hynix was the first to mass-produce 8-layer HBM3E in early 2024 and started supplying the 12-layer version by the end of 2024.

SK Hynix Inc. shares tumbled more than 11%, as the South Korean stock market resumed trading Friday after holidays during which Chinese startup DeepSeek shocked the AI world.Most Read from BloombergMa

SK Hynix's shares slumped, hit by the shock from Chinese artificial-intelligence startup DeepSeek as stock trading resumed in South Korea after a four-day holiday.

Samsung Electronics (SSNLF) received approval to supply its high-bandwidth memory, or HBM, chips to Nvidia (NVDA).

Nvidia (NASDAQ:NVDA) has approved Samsung Electronics (KS:005930) 8-layer HBM3E chips for artificial intelligence applications, Bloomberg reported. The chips will be used in Nvidias AI products for China,

South Korea's SK Hynix forecast sales of its high-end semiconductors used in generative artificial intelligence chipsets would more than double this year, after reporting a quarterly profit record that beat a results estimate for rival Samsung.

NVIDIA CEO Jensen Huang says he can't trust Samsung's HBM memory, 'we cannot trust and do business with them because senior executives change frequently'.

SK Hynix Inc.’s shares slid after record quarterly results failed to impress investors grappling with stagnant smartphone demand and questions about AI spending in 2025.

A gauge of Asian shares snapped a two-day gain, with Korean chipmakers SK Hynix Inc. and Samsung Electronics Co. weighing as the nation’s markets reopened after the Lunar New Year holidays.

Shares of Micron (NASDAQ:MU) are down about 3.5% on the day. About This Article  Shares of Micron are down about $4.50 on the day thanks to Nvidia supplier, SK Hynix. Granted, SK Hynix did post a record quarterly profit.

South Korea's SK Hynix on Thursday posted a record quarterly profit as the Nvidia supplier saw strong sales of advanced chips such as high-bandwidth memory (HBM) used in generative artificial intelligence chipsets.