尾盘最后3分钟，是谁“拦着”沪指站上3400点？

Market Overview - The market experienced a day of upward volatility, with the ChiNext Index leading the gains. The Shanghai Composite Index rose by 0.43%, the Shenzhen Component increased by 0.65%, and the ChiNext Index climbed by 1.07% [1] - Over 4,100 stocks in the market saw an increase, with total trading volume reaching 1.29 trillion yuan, an increase of 134.4 billion yuan compared to the previous trading day [1] Sector Performance - The innovative drug sector, along with football concepts, rare earth permanent magnets, and controllable nuclear fusion, saw significant gains, while a few sectors like precious metals experienced declines [1] - The innovative drug sector had a notable performance, with many stocks hitting the daily limit. The sector's stocks showed a strong upward trend, contributing to the overall market strength [3][4] Innovative Drug Sector Insights - The innovative drug sector's surge is attributed to recent adjustments and a renewed interest in the sector, with 20 out of 197 component stocks rising by over 10% [4] - The external authorization trading and related expectations have been identified as key drivers for the current innovative drug market rally, with a record high in business development (BD) transactions [5] - In the first five months of 2025, China's innovative drug external authorization trading reached 45.5 billion USD, accounting for over 30% of the global total [5] Market Sentiment and Index Levels - The Shanghai Composite Index briefly surpassed the 3,400-point mark but closed at 3,399.77, indicating a need for stronger momentum to maintain above this psychological level [6][8] - The last three minutes of trading saw attempts to push the index higher, but it was primarily pressured by major stocks in sectors like coal, banking, and insurance [7][8] Financial Sector Developments - The financial sector, particularly securities firms, showed significant activity, with the "Hui Jin" system's brokerages leading the charge. This could signal a new wave of mergers and acquisitions in the securities industry [11] - Analysts suggest that the performance of the financial sector will be crucial for the index's ability to break through resistance levels, with upcoming financial policy announcements expected to influence market sentiment [12]