Core Viewpoint - The agricultural, animal husbandry, and fishery sector showed a strong rebound on October 21, with the first agricultural ETF (159275) rising by 1.22%, ending a three-day decline [1][3]. Market Performance - The agricultural ETF (159275) opened higher and maintained a positive trend throughout the day, closing with a price increase of 1.22% [1]. - Key stocks in the sector included Zhongxing Junye, which hit the daily limit, and Zhuangzidao, which surged over 5% [1]. Sector Analysis - The agricultural sector is currently experiencing a rebound, with significant gains in sub-sectors such as agricultural product processing, aquaculture, and feed processing [1]. - The sector's valuation remains relatively low, with the agricultural ETF's underlying index price-to-book ratio at 2.55, indicating a favorable long-term investment opportunity [3]. Policy Impact - Recent government policies aimed at reducing overcapacity in the pig farming industry are expected to accelerate capacity reduction in the fourth quarter, potentially leading to a price increase in the second half of next year [1][4]. - The ongoing "anti-involution" measures in the pig farming industry are expected to enhance the quality and efficiency of production, leading to a gradual elimination of outdated capacity [4]. Investment Opportunities - Analysts suggest focusing on companies with significant cost improvements and high future output elasticity, particularly in the pig farming sector [4][5]. - The agricultural ETF (159275) tracks the CSI Agricultural Index, which includes leading companies in various segments such as pig farming, feed, and planting [5].