一周概念股：EDA巨头断供中国市场 中汽协倡议反对“内卷式”竞争

Group 1: EDA Supply Chain Disruption - The U.S. Department of Commerce's Bureau of Industry and Security (BIS) has mandated Synopsys and Cadence to halt the supply of EDA software tools to China, raising industry concerns [2][3] - Synopsys reported that approximately 16% of its revenue comes from China, while Cadence's revenue from China is about 12% [3] - The BIS has identified unacceptable risks associated with the use or transfer of EDA software and technology to military end-users in China [3][4] Group 2: Competitive Pricing in the EV Market - BYD has announced significant price reductions for up to 22 models of electric and plug-in hybrid vehicles, with discounts reaching as high as 35% [2][9] - The price of the "Seagull" model has been reduced from 69,800 RMB to 55,800 RMB, a decrease of 20%, while the "Seal" dual-motor hybrid sedan saw a reduction of 53,000 RMB, down to 102,800 RMB, representing a 34% drop [9][10] - The price cuts have intensified concerns about worsening competition in the EV market, potentially eroding profit margins for automakers [2][10] Group 3: Industry Competition and Regulation - The China Association of Automobile Manufacturers (CAAM) has issued an initiative to combat "involution" and unhealthy competition in the EV sector, emphasizing the need for fair competition and adherence to legal regulations [10][11] - The CAAM highlights that the rapid growth of the EV market, with new car sales exceeding 40%, is being undermined by price wars that negatively impact industry profitability [10][11] - The association calls for all companies to comply with fair competition principles and avoid practices that disrupt market order and harm the interests of other operators and consumers [10][11]