量子之歌上涨10.21%，报7.99美元/股，总市值4.08亿美元

Group 1 - The stock of Quantum Song (QSG) opened with an increase of 10.21%, reaching $7.99 per share, with a total transaction volume of $1.3497 million and a market capitalization of $408 million [1] - As of March 31, 2025, Quantum Song reported total revenue of 2.108 billion RMB, a year-on-year decrease of 24.59%, while the net profit attributable to the parent company was 249 million RMB, showing a year-on-year increase of 31.58% [1] Group 2 - Quantum Song is set to disclose its fiscal year 2024 annual report on August 27, with the actual disclosure date subject to company announcement [2] - Quantum Song Group Limited is a Cayman Islands-registered holding company, primarily operating through its domestic subsidiary, Beijing Quantum Song Technology Co., Ltd. The company focuses on enhancing public literacy through various knowledge-sharing platforms [2] - The platforms under Quantum Song include Qiniu Academy, Qianchi Academy, and Jiangzhen, which utilize live streaming and audio formats to provide users with professional knowledge across multiple fields, catering to fragmented learning needs and personal value enhancement [2]