每周股票复盘：瑞丰高材（300243）股东户数增加2133户，高管遭证监会立案调查

Core Points - The stock price of Ruifeng High Materials (300243) closed at 9.95 yuan on June 13, 2025, down 3.59% from 10.32 yuan the previous week [1] - The company's market capitalization is currently 2.492 billion yuan, ranking 60th out of 72 in the plastics sector and 4601st out of 5150 in the A-share market [1] Shareholder Changes - As of May 30, 2025, the number of shareholders of Ruifeng High Materials increased by 2,133, representing a growth of 10.84% [2][4] - The average number of shares held per shareholder decreased from 12,700 shares to 11,500 shares, with an average holding value of 117,000 yuan [2] Company Announcements - The company announced that its board secretary, Zhao Ziyang, received a notice of investigation from the China Securities Regulatory Commission (CSRC) on June 9, 2025, for suspected insider trading [2][4] - The investigation is personal and does not involve the company's stock trading, and the company's operations remain normal [2]