Group 1 - The core point of the article highlights that Zhezhong Co., Ltd. experienced a stock price decline on August 27, closing at 15.66 yuan, down 0.61 yuan from the previous trading day [1] - The stock opened at 16.23 yuan, reached a high of 16.36 yuan, and a low of 15.65 yuan, with an overall trading range of 4.36% for the day [1] - Zhezhong Co., Ltd. specializes in the research and production of semiconductor materials and electrical equipment, including new semiconductor materials like silicon carbide [1] Group 2 - The company is registered in Shanghai and operates within the power grid equipment and semiconductor concept sectors [1] - On August 27, the net outflow of main funds for Zhezhong Co., Ltd. was 4.6113 million yuan, while the cumulative net inflow over the past five trading days was 2.9243 million yuan [1]