时隔5个月，股市再现相似一幕

Group 1: U.S. Tariff on Semiconductors - The U.S. will impose approximately 100% tariffs on chips and semiconductors, but companies manufacturing in the U.S. will be exempt from these tariffs [1] - Concerns regarding the impact of U.S. tariffs on China's semiconductor exports are limited, as exports to the U.S. account for about 1.4% of China's total integrated circuit exports and only about 1% of domestic sales [2] Group 2: China's Semiconductor Export Performance - In the first seven months of the year, China's integrated circuit exports reached 778.45 billion yuan, representing a year-on-year growth of 21.8% [3] - July saw a significant year-on-year increase of 29.16% in integrated circuit exports, continuing a strong growth trend with over 20% growth for four consecutive months [3] Group 3: Market Performance and Indices - The A-share market showed mixed performance, with the Shanghai Composite Index reaching a new high for the year, up 0.16%, while the Shenzhen Component and ChiNext indices fell by 0.18% and 0.68%, respectively [4] - The trading volume in the Shanghai and Shenzhen markets reached 1.8255 trillion yuan, an increase of 91.4 billion yuan from the previous day [4] Group 4: Sector Analysis - Key sectors such as the NVIDIA supply chain, CPO, PCB, and innovative pharmaceuticals have experienced volatility after significant gains in the past months [6] - The brain-computer interface sector showed strong performance due to new government policies aimed at promoting innovation in the industry, with expectations for breakthroughs by 2027 [7]