阿石创涨2.12%，成交额1.49亿元，主力资金净流入495.09万元

Group 1 - The core viewpoint of the news is that Astone Innovation has shown significant stock performance with a year-to-date increase of 74.14% and a recent market capitalization of 6.417 billion yuan [2] - As of September 3, Astone Innovation's stock price reached 41.88 yuan per share, with a trading volume of 1.49 billion yuan and a turnover rate of 3.19% [1] - The company has experienced a net inflow of main funds amounting to 4.9509 million yuan, with large orders contributing to a total buy of 29.1164 million yuan and a sell of 30.0610 million yuan [1] Group 2 - Astone Innovation's main business involves the research, production, and sales of various PVD coating materials, with revenue composition as follows: sputtering targets 42.65%, evaporation materials 31.64%, alloy and metal materials 22.47%, and others 3.24% [2] - The company has been listed on the Longhu list five times this year, with the most recent net purchase on August 8 amounting to 60.1307 million yuan [2] - As of August 20, the number of shareholders for Astone Innovation increased to 48,600, with an average of 2,336 circulating shares per person [2] Group 3 - Since its A-share listing, Astone Innovation has distributed a total of 21.833 million yuan in dividends, with 6.1141 million yuan distributed in the last three years [3]