汰弱留强，永远保持犀利攻击性

Market Overview - The total trading volume in the Shanghai and Shenzhen markets reached 1.6 trillion yuan, an increase of 188.2 billion yuan compared to the previous trading day [1] - The military, securities, internet finance, and insurance sectors saw the highest gains, while oil and gas, pesticides, film, and port sectors experienced the largest declines [1] - By the end of the trading session, the Shanghai Composite Index rose by 1.03%, the Shenzhen Component Index increased by 1.72%, and the ChiNext Index surged by 3.11% [1] Investment Strategy - The company has initiated a position in the reducer sector and is currently fully invested, planning to sell the liquor concept the following day based on post-market quantitative analysis [3] - Continuous evaluation of past operations is emphasized to identify areas for improvement, ensuring the investment strategy remains competitive [3] - The company plans to sell the liquor sector and buy into the deep-sea technology sector, indicating a clear and decisive strategy [6] Sector Analysis - The deep-sea economy has shown significant potential, with a notable increase in RPS (Relative Price Strength) metrics over time, indicating strong performance [7] - The deep-sea technology sector is gaining attention from policy levels, with expectations for future industrial policies and major project implementations [7] - The total value of China's marine economy surpassed 10 trillion yuan in 2024, highlighting deep-sea technology as a crucial emerging industry for economic growth [7] - The deep-sea industry has a long supply chain, contributing significantly to economic stimulation across various stages from upstream technology development to downstream application services [7]