On May 19th, A-share indices experienced a V-shaped recovery in the afternoon session. The Shanghai Composite Index rebounded strongly, while the STAR 50 Index, which had fallen over 2% earlier, closed with a gain exceeding 3%. At the close, the Shanghai Composite Index rose 0.92%, the STAR Composite Index surged 2.62%, and the ChiNext Index declined 0.16%. More than 3,600 stocks across the market advanced, with over a hundred hitting the daily limit-up.
The semiconductor industry chain collectively strengthened. Nacon Equipment and Shanghai Silicon Industry both surged 20% to hit the daily limit-up, reaching new historical highs. Li Ang Micro, Sheng Hui Integration, and other related stocks also rose by the limit. Xinyuan Co., Ltd. gained over 15%. Zhongke Feice and Zhongwei Co., Ltd. each rose approximately 9%, also setting new record highs.
The CPO (Co-Packaged Optics) concept rebounded. The leading optical module company, Guangxun Technology, with a market capitalization of 180 billion yuan, hit the limit-up in late trading, continuing its record-breaking run. Guangpu Co., Ltd. surged 20% to the limit-up. Huagong Technology, Dongshan Precision, Anfu Technology, Jiulian Technology, and Zhongci Electronics followed with gains.
The power sector witnessed a wave of limit-up gains. Jingneng Power secured its fifth consecutive limit-up, while Liaoning Energy achieved its third limit-up in five days. Shanghai Electric Power, Fuling Electric Power, Jiantou Energy, Ganneng Co., Ltd., and others also hit the limit-up. Datang Power Generation rose over 5%, having doubled in value since May 6th.
Four government ministries jointly issued an action plan, clarifying that energy will support AI development and AI will empower the energy sector. The term "computing-power coordination" was mentioned 24 times, and "green power" 13 times, formally elevating computing-power coordination to a national strategy. Huayuan Securities noted that the power industry's profits are expected to reach a historical high in 2025, with 2026 being a year of recovery. Galaxy Securities highlighted two main themes: data centers and computing-power hubs. In the era of AI and energy, power is no longer a traditional utility but a strategic foundation for the digital economy.
The pork sector saw a sharp intraday rally. By the close, Dayu Biology and Jingji Zhinong had risen over 3%. On the news front, the Ministry of Agriculture and Rural Affairs held a video conference on May 18th to deploy the implementation of the newly revised comprehensive regulation plan for hog production capacity. It emphasized that all regions must strictly implement capacity reduction measures to promote a reasonable rebound in hog prices.
The robotics concept continued its strong performance. Beizi Technology secured its fourth consecutive limit-up, while Shanghai Electric Machinery and Jingxing Paper Industry also hit the limit-up. The computing-power leasing concept experienced volatile gains, with Hongxin Electronics and Jiahuan Technology both securing their second consecutive limit-up.
On the downside, the sports industry continued to adjust. Shuhua Sports and Yue Media both hit their second consecutive limit-down. The commercial aerospace concept stock Julisuo Ju once again opened at the limit-down, with approximately 4.47 billion yuan in funds waiting to exit at the limit-down price.
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