Shares of Samsung Electronics Co Ltd surged after a report said the company is set to begin mass production of next-generation HBM4 memory chips, a critical component in artificial intelligence infrastructure.
According to Yonhap News, Samsung plans to ship HBM4 chips to NVIDIA Corp as early as the third week of February, where the chips will be used in Nvidia’s upcoming Vera Rubin AI accelerators. The report cited people familiar with the matter.
Samsung’s stock climbed as much as 6.4%, extending its strong 2026 rally to nearly 40% year-to-date, as investors welcomed signs the company is closing the gap with rival SK hynix Inc, currently Nvidia’s main supplier of high-bandwidth memory.
The move comes amid a broader boom in memory prices, driven by exploding demand from hyperscalers such as Amazon.com Inc and Alphabet Inc, which are racing to build AI data centres. Prices for some memory chips have nearly doubled since 4Q2025, according to Bloomberg data.
Samsung also benefited from a strong rally in US AI-linked stocks last week, with Nvidia shares jumping nearly 8%, as the world’s largest tech firms prepare to spend an estimated US$650 billion in 2026 on AI-related capital expenditure.
Simple Summary
Samsung shares jumped after reports it will mass-produce HBM4 AI memory chips
Shipments to Nvidia could start as early as February
HBM4 will power Nvidia’s next-gen AI accelerators
Investors see Samsung catching up with SK hynix in the AI memory race
Key Points
HBM4 mass production signals Samsung’s comeback in AI memory
Nvidia supply chain win boosts Samsung’s AI exposure
Memory prices rising sharply on hyperscaler demand
AI capex boom continues to lift semiconductor stocks

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