PLC概念板块领涨，上涨3.7%

Core Viewpoint - The PLC concept sector leads the market with a rise of 3.7%, indicating strong investor interest and potential growth in this area [1] Company Performance - In the PLC concept sector, Huichuan Technology experienced a significant increase of 5.17% [1] - Zhongkong Technology saw a rise of 3.03%, reflecting positive market sentiment [1] - Haide Control recorded an increase of 1.68%, contributing to the overall sector performance [1]