Summary: Nvidia’s stock fell sharply after the US government banned the sale of its latest AI chip to China, amid escalating geopolitical tensions. The White House’s decision directly hinders Nvidia’s expansion plans in China, a key market for AI technology growth. Details: The White House has prohibited Nvidia from selling its new AI chip, the B30A—which is crucial for training large language models—to Chinese firms. Although Nvidia had previously supplied samples to select Chinese customers, the administration’s move now blocks further sales. This restriction significantly limits Nvidia’s potential growth in China’s competitive data center market, with company representatives acknowledging diminished prospects. In response, Nvidia is attempting to modify the B30A chip’s design to comply with US regulations and potentially reverse the ban, but the outcome remains uncertain.

Meanwhile, China is tightening its own controls by mandating that all new state-funded data centers use only domestically produced chips. Data center projects less than 30% complete must remove or cancel foreign chip usage, including Nvidia’s, effectively barring Nvidia’s advanced AI chips from a critical segment of the Chinese market. Faced with these dual regulatory pressures—from the US banning sales and China restricting foreign chip use—Nvidia is forced to redirect focus to other global markets. Nonetheless, losing access to China presents a significant setback for its growth strategy. Consequently, Nvidia’s stock price closed at $188 on Thursday, down 3. 65%, reflecting investor concerns over these intensified regulatory obstacles. Going forward, Nvidia will have to navigate these complex political and economic challenges to sustain and grow its global AI chip business.