Core Viewpoint - The adjustment of US tariff policies has led to significant volatility in global markets, prompting nearly 700 A-share listed companies to announce share buybacks and shareholder increases, collectively exceeding 30 billion yuan [1][23]. Group 1: Company Responses to Tariff Adjustments - As of April 10, 2025, nearly 700 A-share listed companies have implemented stock buybacks totaling over 30 billion yuan and announced 135 shareholder increase plans [1][23]. - Companies in high-tech sectors such as machine vision, drones, semiconductors, and 3D perception technology are primarily involved in buybacks, aiming to stabilize stock prices amid market fluctuations [3][15]. - Several companies, including Daotong Technology and Ninebot, reported limited impact from the tariff adjustments due to their diversified market presence and proactive measures to mitigate risks [4][16]. Group 2: Sector-Specific Impacts - The impact of US tariffs varies across sectors; companies heavily reliant on the US market face increased costs and reduced demand, while those with lower dependency experience minimal effects [6][17]. - In the high-end equipment sector, companies that export to the US or rely on US-imported components face order reductions and supply chain disruptions, while self-sufficient firms are less affected [6][17]. - The biopharmaceutical sector sees generic drug exporters impacted by tariffs, while innovative drug companies face limited short-term effects [6][17]. Group 3: Market Reactions and Strategies - The recent surge in buybacks and shareholder increases is seen as a strategy to stabilize stock prices and restore investor confidence amid tariff-related uncertainties [10][11]. - Central enterprises have played a significant role in this buyback wave, with 48 state-owned groups announcing increases to support market stability [11][19]. - Experts suggest that companies should diversify markets, optimize supply chains, enhance technological innovation, and establish risk management systems to better cope with trade tensions [18][19]. Group 4: Future Outlook - The ongoing tariff disputes are expected to require negotiation for resolution, with significant impacts on companies exporting to the US [6][17]. - The capital market is showing signs of recovery, supported by government measures and increased participation from institutional investors [7][20]. - Companies are encouraged to strengthen governance, improve R&D capabilities, and enhance competitiveness to maintain long-term stability in the capital market [20][21].