新华网财经·2025-05-22 09:16Market Overview - A-shares experienced adjustments with the three major indices declining, while bank stocks such as Shanghai Pudong Development Bank, Jiangsu Bank, and Chengdu Bank reached historical highs [1] - The Shanghai Composite Index closed at 3380.19, down 0.22%, the Shenzhen Component Index at 10219.62, down 0.72%, and the ChiNext Index at 2045.57, down 0.96% [2] Sector Performance - Bank, gaming, military electronics, and insurance sectors showed strong performance, while sectors like beauty care, sugar substitutes, solid-state batteries, and pet economy faced significant declines [1] Stock Highlights - Nanjing Port opened at the daily limit down but later surged to touch the daily limit up, closing with a 7.21% increase and a trading volume of 1.646 billion yuan, marking an 8-day streak with 6 limit-up days and a cumulative increase of over 100% [1][6] - The port and shipping stocks saw a partial rebound, with Chongqing Port hitting the daily limit up [4] AI Sector Developments - The AI agent concept gained traction, with Kunlun Wanwei's stock surging to a daily limit up, closing with a trading volume exceeding 5.3 billion yuan [7] - Kunlun Wanwei launched the Skywork Super Agents, which utilizes AI architecture and deep research technology to generate various types of content [9][10] - In Q1 2025, Kunlun Wanwei reported a revenue of 1.764 billion yuan, a year-on-year increase of 46.07%, but incurred a net loss of 769 million yuan [10]