Core Viewpoint - The recent security issues surrounding Nvidia's H20 computing chip highlight the ongoing tech rivalry between China and the U.S., which may impact domestic capital expenditure in the short term but could lead to a more stable and self-sufficient AI industry in China in the long run [1]. Group 1: Stock Performance - Semiconductor stocks are experiencing significant gains, with Huahong Semiconductor up 5.2% to HKD 41.5, Shanghai Fudan up 3.94% to HKD 32.48, SMIC up 3.1% to HKD 51.6, and China Electric Power Technology up 2.11% to HKD 1.45 [1]. Group 2: Regulatory Actions - The National Internet Information Office of China has summoned Nvidia to explain the security risks associated with the H20 chip sold to China, in accordance with the Cybersecurity Law, Data Security Law, and Personal Information Protection Law, with a deadline for submission of relevant materials set for July 31, 2025 [1]. Group 3: Industry Implications - According to Open Source Securities, the incident reflects the broader context of U.S.-China tech competition, which may suppress domestic internet companies' capital expenditures in the short term but will ultimately drive the development of a self-controlled "technology-security-ecosystem" in China's AI industry [1]. - Huaxi Securities suggests that the U.S. chip security legislation and the H20 incident may accelerate the domestic production of AI computing chips, such as Huawei's Ascend and Cambricon, indicating a clearer long-term growth trajectory for these companies [1].