300548，大涨！历史新高

Market Performance - A-shares showed strong performance with major indices reaching historical highs, including the Shanghai Composite Index up 0.96% and the Shenzhen Component Index up 0.59% [1] - The total market turnover was 16,158 billion yuan, an increase of 976 billion yuan from the previous day, with over 3,900 stocks rising [1] Sector Highlights - The military industry sector continued its strong performance, with Changcheng Military Industry (601606) hitting the daily limit and reaching a historical high [1] - Banking stocks also showed strength, with Agricultural Bank of China reaching a historical high [1] - Computing hardware stocks were active in the afternoon, with Changxin Bochuang (300548) rising 13.44% to a historical high [1][2] Notable Stocks - Aowei New Materials (688585) resumed trading and hit the daily limit, closing at 110.48 yuan, with a year-to-date increase of 1,566.4% [1] - Brain-computer interface concept stocks saw gains, with Xiangyu Medical rising over 10% [5] - Notable stocks in the computing hardware sector included Weiteng Electric and Zhaolong Interconnect, with significant percentage increases [3] Investment Trends - Recent increases in capital expenditure by major overseas tech companies validate the long-term high prosperity of global computing infrastructure [4] - Major tech giants like Google, Meta, Microsoft, and Amazon have collectively raised their 2025 capital expenditure plans, with Amazon's quarterly capital expenditure increasing by 90% year-on-year [4] - The domestic AI model's continuous iteration and application are expected to drive sustained demand for AI computing power, contributing to a high prosperity in the AI computing market [4][7] Brain-Computer Interface Development - The National Medical Insurance Administration has established new pricing mechanisms for newly listed drugs, including specific fees for brain-computer interface technologies [7] - The brain-computer interface industry is entering a high growth phase, with significant market potential and expected rapid clinical application [7]