青岛双星涨2.16%，成交额1.03亿元，主力资金净流入335.28万元

Group 1 - The core viewpoint of the news is that Qingdao Doublestar's stock has shown significant growth in 2023, with a year-to-date increase of 59.91% and notable recent performance in the stock market [1][2] - As of November 13, the stock price reached 7.10 yuan per share, with a total market capitalization of 5.799 billion yuan [1] - The company has experienced a net inflow of main funds amounting to 3.3528 million yuan, indicating positive investor sentiment [1] Group 2 - Qingdao Doublestar's main business involves the research, production, and sales of tire products, with tire sales accounting for 98.65% of its revenue [1][2] - For the period from January to September 2025, the company reported a revenue of 3.492 billion yuan, reflecting a year-on-year growth of 5.12%, while the net profit attributable to shareholders was -261 million yuan, a decrease of 44% year-on-year [2] - The company has not distributed any dividends in the last three years, with a total payout of 175 million yuan since its A-share listing [3]