Core Viewpoint - The stock price of Dingxin Communications surged significantly after the company clarified its technical authorization agreement with Pingtouge, a subsidiary of Alibaba Group, leading to regulatory scrutiny from the Shanghai Stock Exchange [2][4][8] Group 1: Stock Performance - On September 19, Dingxin Communications (603421) experienced a notable increase, hitting the daily limit up for the first time in six months, with a closing price of 7.43, reflecting a 10.07% increase [3][4] - The surge was triggered by a response to an investor inquiry regarding a technical authorization agreement with Pingtouge, stating that the company uses Pingtouge's CK802 32-bit core architecture under a comprehensive technical authorization agreement [2][6] Group 2: Technical Authorization Details - Dingxin Communications confirmed that it signed an authorization agreement with Pingtouge on December 26, 2022, granting the company rights to use E801/E802/E803 technologies for chip development, with a contract value of 2 million yuan and a validity of five years [6] - The E801/E802/E803 cores are low-cost, low-power embedded CPU cores primarily used in applications such as smart cards and smart grids, and are not related to AI or high-performance computing chips [6] Group 3: Regulatory Response - Following the stock price surge, the Shanghai Stock Exchange issued a regulatory warning to Dingxin Communications for providing inaccurate information regarding the technical authorization, which could mislead investors [8] - The company was required to submit a rectification report within one month to address the regulatory concerns raised by the exchange [8]