news flash·2025-05-19 03:34Market Overview - The three major A-share indices collectively adjusted in the morning session, with the Shanghai Composite Index down 0.09%, the Shenzhen Component Index down 0.36%, and the ChiNext Index down 0.53%. The North Star 50 Index increased by 1.32%. The total market turnover was 728.3 billion yuan, an increase of 41.4 billion yuan compared to the previous day, with 2,900 stocks rising across the market [1]. Sector Performance - The port and shipping sector led the gains, with stocks such as Lianyungang, Ningbo Maritime, and Nanjing Port achieving five consecutive trading limits. The merger and acquisition sector saw a surge, with over ten stocks including Jinlihua Electric and Guangzhi Technology hitting the daily limit. Military stocks were also active, with Chengfei Integration achieving nine consecutive trading limits. The ST sector rose against the trend, with over 30 stocks including *ST Yushun and *ST Suwu hitting the daily limit. Conversely, the robotics sector faced declines, with Longxi Co. hitting the daily limit down and several other stocks dropping over 5% [2]. Key Trends - The strongest sectors included: - Mergers and Acquisitions: 11 stocks hit the daily limit, with two stocks achieving consecutive limits, represented by Tianqimo and Huaxia Happiness [3]. - Venture Capital: 11 stocks hit the daily limit, with two stocks achieving consecutive limits, represented by Tianqimo and Electronic City. - New Energy Vehicles: 11 stocks hit the daily limit, with four stocks achieving consecutive limits, represented by Chengfei Integration and Tianqimo [4]. Recent Developments - The China Securities Regulatory Commission recently announced modifications to the "Management Measures for Major Asset Restructuring of Listed Companies," encouraging private equity funds to participate in mergers and acquisitions. The investment period for private equity funds will be inversely linked to the lock-up period for shares obtained during restructuring, reducing the lock-up period from 12 months to 6 months for funds with a 48-month investment period [5]. - In the port and shipping sector, following the implementation of mutual tariff adjustments between China and the U.S., there has been a significant increase in container bookings from China to the U.S., with a reported 277% surge in the average booking volume [6]. - The ST sector has seen a notable increase in merger and acquisition activity, with 16 ST stocks successfully removing their ST designation this year, while 99 new ST stocks have been added, indicating a clear market differentiation [6].