收盘丨A股三大指数全线收涨，宠物、IP经济概念集体爆发

Market Performance - The A-share market saw a positive trend on May 20, with the Shanghai Composite Index rising by 0.38%, the Shenzhen Component Index increasing by 0.77%, and the ChiNext Index also up by 0.77 [1][2] - Over 3,800 stocks in the market experienced gains, indicating a broad-based rally [1][2] Sector Performance - The sectors that performed well included cultivated diamonds, pet economy, animal vaccines, millet economy, and plant-based meat, which all saw significant increases [1][2] - Conversely, the port and shipping sector led the declines, along with the Chengfei concept and PEEK materials sectors [1][2] Capital Flow - Main capital flows showed net inflows into the automotive, cultural media, and food and beverage sectors, while there were net outflows from the shipping, internet services, and real estate development sectors [5] - Specific stocks that attracted net inflows included OFILM Technology, Beingmate, and BYD, with inflows of 1.651 billion, 632 million, and 628 million respectively [6] - Stocks that faced net outflows included Chengfei Integration, AVIC Chengfei, and Lijun Shares, with outflows of 577 million, 561 million, and 465 million respectively [7] Institutional Insights - Guoyuan Securities noted that the index is showing a strong oscillation, with individual stocks becoming active, but breakthroughs require new catalysts [8] - Zhongtai Securities mentioned that market confidence has fully recovered, with high overall activity, but incremental capital may flow slowly without event-driven catalysts, making rapid market increases unlikely [9] - The market is expected to maintain a structural upward trend in the short term, with a potential challenge to previous highs around the end of May [9]