寒武纪进一步大涨17%市值升破5000亿，股价站上1200元，再创历史新高，年内累涨84%！英伟达下令暂停H20芯片生产

Group 1 - The stock of Cambrian Biologics-U (688256.SH) surged by 17% in the afternoon, reaching a new historical high of 1212.11 yuan, with a market capitalization exceeding 500 billion yuan [1] - Cambrian Biologics-U has seen a cumulative increase of 84% year-to-date [1] Group 2 - Nvidia has ordered a halt to the production of the H20 chip [3] - DeepSeek announced the official release of DeepSeek-V3.1, which features significant adjustments to the tokenizer and chat template compared to DeepSeek-V3 [3] - The UE8M0 FP8 parameter precision used in DeepSeek-V3.1 is designed for the upcoming next-generation domestic chip [3]