SK Hynix Shares Rally 12% on Strong AI Data Centre Investment Outlook

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Seoul 4 May 2026 (The Capital Post) – SK Hynix shares surged sharply after major US technology companies signalled continued strong spending on artificial intelligence (AI) data centres, boosting optimism over demand for high-end memory chips.

The South Korean chipmaker’s stock jumped as much as 12%, driven by renewed investor confidence in the global AI infrastructure buildout, which is expected to significantly increase demand for advanced memory products used in data centres and AI computing systems.

The rally came after US tech firms reported solid earnings and reaffirmed capital expenditure plans focused on expanding AI-related infrastructure, reinforcing expectations that demand for semiconductors will remain strong in the near term.

SK Hynix, one of the world’s leading producers of DRAM and high-bandwidth memory (HBM), has been a key beneficiary of the global AI boom as data centre operators rapidly scale up computing capacity to support AI workloads.

Industry analysts note that memory chips are becoming a critical bottleneck in the AI supply chain, with demand from data centres continuing to outpace supply as companies expand large-scale AI training and cloud infrastructure projects.

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The company’s strong performance also reflects broader momentum across South Korea’s semiconductor sector, which has been boosted by rising global chip demand and expectations of sustained AI-driven investment.

Market observers say SK Hynix is likely to remain highly sensitive to developments in AI spending trends, particularly from US tech giants, which are currently driving much of the semiconductor industry’s growth.

The latest surge underscores how deeply the AI investment cycle is reshaping global tech markets, with memory chipmakers emerging as some of the biggest winners of the ongoing data centre expansion.-The Capital Post