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 expenditures in the short term but could ultimately drive the development of a self-sufficient AI ecosystem in China [1]. Group 1: Stock Performance - Chip stocks have shown significant gains, with Huahong Semiconductor rising by 5.2% to HKD 41.5, Shanghai Fudan increasing by 3.94% to HKD 32.48, SMIC up by 3.1% to HKD 51.6, and China Electric Power Technology gaining 2.11% to HKD 1.45 [1]. Group 2: Regulatory Developments - 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 - Open Source Securities suggests that the incident reflects the broader U.S.-China tech competition, which may suppress short-term capital investments by domestic internet firms but could lead to a more stable and healthy development of China's AI industry in the long run [1]. - Huaxi Securities believes that the combination of 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, clarifying the long-term growth trajectory for the industry [1].