（文章来源：每日经济新闻） 每经AI快讯，东数西算板块下跌1.83%，其中中科曙光下跌10.0%，*ST正平下跌5.07%，大位科技下跌 2.09%。 ...

Market Performance - Major A-share indices collectively rose, with the Shanghai Composite Index increasing by 0.37% to 3857 points, the Shenzhen Component Index up by 0.99%, and the ChiNext Index rising by 2.23% [1] - The total trading volume for the day was 2.83 trillion yuan, a decrease of 170.7 billion yuan compared to the previous trading day [1] - Over 3300 stocks in the market experienced declines [1] Sector Performance - The lithium battery and lithium mining sectors surged, with CATL rising by 14% at one point, and several stocks such as Sieng and Hanke Technology hitting the daily limit [1] - Insurance stocks saw widespread gains, with New China Life Insurance reaching a historical high [1] - The liquor sector also saw a rise, with Kweichow Moutai hitting the daily limit [1] - The CRO sector increased, with Haoyuan Pharmaceutical rising over 13% [1] - The small metals sector strengthened, with multiple stocks like Shengtun Mining and Guangsheng Nonferrous hitting the daily limit [1] - Other sectors with notable gains included beauty care, medical services, and military industry [1] Declining Sectors - The F5G concept experienced a decline, with Changxin Bochuang falling over 11% [1] - The education sector weakened, with Kede Education dropping over 9% [1] - The state-owned cloud concept weakened, with Qiming Information leading the decline [1] - The semiconductor sector corrected, with Qipai Technology falling over 9% [1] - Other concepts such as East Data West Calculation, Zhipu AI, and electronic paper also saw significant declines [1] Top Gainers and Fund Inflows - The top gainers included sectors such as electric power and grid (+3.15%), automotive (+2.78%), and precious metals (+2.529%) [2] - Other sectors with notable fund inflows included food and beverage (+2.48%), biotechnology (+2.33%), and soft drinks (+2.179%) [2]

Group 1 - The core viewpoint of the article highlights that the current valuation of the technology sector is at approximately 50% or below historical levels, with certain segments like semiconductor materials and emerging technologies showing higher valuations compared to their three-year history [1] - The Pacific Securities report indicates that the PB-ROE values for the Sci-Tech 50 and growth style are the lowest, suggesting that investors are paying the least growth premium for these sectors, which implies a higher margin of safety [1] - Recent performance shows that industries such as pharmaceuticals, communications, and media have seen significant gains, while the computer industry has experienced the largest downward adjustment in profit expectations [1] Group 2 - The Sci-Tech 100 ETF (588120) tracks the Sci-Tech 100 Index (000698), which includes 100 securities with larger market capitalization and better liquidity from the Sci-Tech board, covering strategic emerging industries like new-generation information technology and biomedicine [1] - The index can experience daily fluctuations of up to 20%, reflecting the overall performance of leading technology innovation companies in the Sci-Tech board market [1] - Investors without stock accounts are advised to consider the Guotai CSI Sci-Tech 100 ETF Initiated Link A (019866) and Guotai CSI Sci-Tech 100 ETF Initiated Link C (019867) [1]

Group 1: Pharmaceutical Sector - The pharmaceutical sector experienced a comprehensive rebound, with CRO (Contract Research Organization) concepts surging by 6.71% and other related sectors like innovative drugs and antibiotics also showing significant gains of 5.94% and 5.32% respectively [2] - The overall market saw over 4,500 stocks rising, with the ChiNext Index increasing by over 1%, the Shanghai Composite Index rising by 0.64%, and the Shenzhen Component Index up by 0.74% [2] - The domestic innovative drug payment mechanism is progressing, with expectations for a pivotal policy year in 2025, including the introduction of the first version of the Class B medical insurance catalog within the year [3] Group 2: Medical Technology - A breakthrough in brain-computer interface (BCI) technology was reported, allowing real-time conversion of language thoughts into speech, which has implications for patients with speech impairments [5] - Following this news, stocks in the BCI sector saw rapid increases, with Innovative Medical (002173) hitting the daily limit up and other companies like Aipeng Medical (300753) rising nearly 12% [5][6] Group 3: Solar Energy Sector - The solar energy sector experienced a significant rebound, with companies like Yijing Photovoltaic (600537) hitting the daily limit up and others like Jinlang Technology (300763) rising over 11% [7] - According to TrendForce, Chinese policies are stimulating overall demand in the solar industry, leading to a tight supply of components and an anticipated demand peak in March and April 2025, which may drive up prices in the second quarter [7]