两大板块，涨停潮！

Group 1: A-Share Market Overview - The A-share market experienced overall low-level fluctuations in the morning, with the automotive industry chain sector leading the gains, becoming one of the important highlights of the market [1][4] - The Shanghai Composite Index fell by 0.52%, while the Shenzhen Component Index slightly increased by 0.08%, and the ChiNext Index rose by 0.16% [4] - A significant number of stocks in the automotive industry chain hit the daily limit, including companies like Haoen Electric and Tianqimo [4][5] Group 2: Automotive Industry Standards - A new mandatory national standard for light vehicle automatic emergency braking systems (AEBS) has been drafted and is now in the public consultation phase, set to replace the current standard GB/T 39901-2021 [5][6] - This new standard expands the scope to include N1 class light commercial vehicles, requiring all passenger cars (M1 class) and light commercial vehicles (N1 class) to be equipped with AEBS [6][8] - The implementation of this mandatory standard indicates a countdown for large-scale pre-installation of AEBS in the Chinese automotive market [8] Group 3: Robotics Sector - The robotics concept saw a rise, with stocks like Greebo and Haoen Electric hitting the daily limit, and several others increasing by over 10% [12] - China Unicom announced the launch of a home robot product in collaboration with Huawei, indicating a growing interest in the robotics sector [13] - The domestic robotics industry is expected to enter a mass production phase by 2025, driven by data accumulation and hardware cost reductions [13] Group 4: New Stock Listings - Two new stocks were listed in the A-share market, both experiencing significant price increases, with Hanbang Technology rising over 140% [18] - Hanbang Technology focuses on chromatography technology and provides solutions for the pharmaceutical and life sciences sectors [18][19] - Another new stock, Zerun New Energy, saw a price increase of over 120%, specializing in photovoltaic component junction box solutions [20] Group 5: Hong Kong Market Overview - The Hong Kong market also experienced low-level fluctuations, with NetEase-S seeing a significant increase, reaching a peak of over 16% [21][23] - NetEase reported a net income of RMB 28.8 billion for Q1 2025, a year-on-year increase of 7.4%, with its gaming and related services net income rising by 12.1% [25][26]