Nvidia (NVDA) Stock; Gains Nearly 1% as China Blocks H200 AI Chip Imports

TLDRs;

• China has effectively blocked Nvidia H200 imports, signaling a de facto ban by customs authorities.

• Nvidia (NVDA) stock rose nearly 1% after reports of China’s H200 import restrictions.

• Huawei’s Ascend chips and domestic AI hardware are reducing China’s reliance on Nvidia technology.

• Chinese firms are adopting open-source CANN and CUDA-to-SYCL tools to migrate AI workloads.

Shares of Nvidia (NVDA) rose nearly 1% on Tuesday after reports indicated that Chinese customs authorities have effectively blocked the import of Nvidia’s H200 AI server chips. According to sources familiar with the matter, domestic tech firms were instructed during meetings to avoid purchasing the H200 unless absolutely necessary.

NVIDIA Corporation, NVDA

While the directive lacks an official explanation, insiders describe the move as a de facto ban, though it remains unclear whether it applies temporarily or permanently. Some exemptions for academic and research institutions may still be considered.

Impact on the AI Landscape

Despite the H200 restriction, China’s AI sector is not entirely reliant on foreign hardware. Domestic alternatives, such as Huawei’s Ascend chips, have seen significant growth, with shipments rising from 507,000 units in 2024 to 805,000 in 2025.

The 910C variant, for instance, offers around 60% of the inference performance of Nvidia’s H100, indicating that domestic solutions are increasingly viable for large-scale AI operations.

Samsung has also supplied 11.4 million high-bandwidth memory (HBM) stacks before export controls, supporting millions of domestic Ascend packages. SMIC, China’s leading semiconductor foundry, is ramping up production to 80,000 advanced-node wafers monthly by 2027, further solidifying domestic chip availability.

Software and Migration Strategies

With hardware restrictions in place, Chinese tech companies are accelerating software adaptation efforts. Huawei is open-sourcing its Compute Architecture for Neural Networks (CANN) toolkit, embedding engineers in domestic firms to support code migration.

Meanwhile, firms are using Intel’s CUDA-to-SYCL tools to integrate Nvidia-based workloads with domestic chips, allowing dual-stack environments that maintain performance while reducing reliance on foreign hardware. Analysts estimate that CANN and other migration solutions will mature around 2027, though replicating Nvidia’s decades-long software ecosystem remains challenging.

Market Reaction and Broader Implications

Investors reacted cautiously but positively to the news, sending Nvidia stock up nearly 1% as the market weighs the potential long-term impact. While China’s directive could limit near-term hardware sales for Nvidia, the country’s growing self-sufficiency in AI infrastructure suggests the global market will continue to adapt.

The H200 freeze highlights ongoing geopolitical tensions in the semiconductor sector and underscores the importance of balancing hardware innovation with domestic development strategies.

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