Group 1 - The core viewpoint of the article highlights the recent stock performance of Mingguan New Materials, which closed at 14.66 yuan on July 31, reflecting a decline of 1.87% from the previous trading day [1] - The trading volume on that day was 29,743 hands, with a transaction amount reaching 44 million yuan [1] - Mingguan New Materials specializes in the research, production, and sales of functional composite materials, primarily used in photovoltaic, electronics, and packaging sectors [1] Group 2 - The company is categorized under the photovoltaic equipment and Jiangxi sector concept boards [1] - According to public information, the actual controller of Mingguan New Materials has cumulatively increased the company's shares by 2.8 million shares, accounting for 1.3948% of the total share capital, with an investment amount of 39.64 million yuan, and the buyback plan is still ongoing [1] - On July 31, the net outflow of main funds for Mingguan New Materials was 5.7055 million yuan, representing 0.19% of the circulating market value [1]