利通科技股价大涨21% 海洋经济政策刺激概念股活跃

Group 1 - The core viewpoint of the article highlights the significant increase in the stock price of Litong Technology, which rose by 21.38% to 27.71 yuan as of August 15, 2025 [1] - The stock opened at 23.17 yuan, reached a high of 29.67 yuan, and a low of 22.96 yuan, with a trading volume of 243,900 hands and a total transaction amount of 673 million yuan [1] - Litong Technology specializes in the research, production, and sales of rubber products, which are widely used in industrial and automotive sectors [1] Group 2 - The company is part of the rubber products industry and is also involved in specialized and innovative sectors, as well as data center concepts [1] - Recent government initiatives to promote the development of national marine economy demonstration zones and increase financial support for marine economy have positively impacted related concept stocks [1]