芯片股午后大爆发！寒武纪股价突破千元

Market Performance - The A-share market experienced a rebound on August 20, with the Shanghai Composite Index, Shenzhen Component Index, and STAR Market Index all reaching new highs for the year [2] - Chip stocks surged in the afternoon, with Cambrian Technology's stock price surpassing 1,000 yuan, making it one of only two stocks in A-shares to reach this milestone [2] - Several stocks, including Shengke Communication, hit the 20% daily limit up, alongside others like Xingye Co., Hanzhong Precision, and Yueling Co. [2] AI and Semiconductor Industry - DeepSeek announced an upgrade to its online model version V3.1, extending context length to 128k, with a 43% improvement in multi-step reasoning performance compared to the previous version [2] - This upgrade is expected to enhance accuracy in fields such as mathematical calculations, code generation, and scientific analysis [2] - CITIC Securities believes that AI will be the primary growth driver for the semiconductor industry, with sustained demand for cloud AI and accelerated deployment of terminal AI applications [2] - Chinese semiconductor manufacturers are anticipated to significantly benefit from the ongoing development of the AI industry, with investment logic focusing on domestic production for cloud applications and downstream growth for terminal applications [2]