宁波韵升：连续三个交易日收盘价格涨幅偏离值累计超过20%

Core Viewpoint - Ningbo Yunsheng (SH:600366) experienced a significant stock price fluctuation, with a cumulative increase of over 20% in three consecutive trading days from August 6 to August 8, 2025, leading to a classification of abnormal trading activity [1] Group 1 - As of the close on August 8, 2025, the stock price of Ningbo Yunsheng was 14.49 yuan per share, with a market capitalization of 15.925 billion yuan [1] - The company conducted a self-inspection and confirmed that its production and operational activities are normal, with no significant changes in market environment or industry policies [1] - There have been no substantial fluctuations in production costs or sales, and the internal operational order remains stable [1] Group 2 - The company, its controlling shareholders, and actual controllers have confirmed that there are no undisclosed significant matters, including but not limited to major asset restructuring, share issuance, significant transactions, business restructuring, share buybacks, bankruptcy reorganizations, major business collaborations, or introduction of strategic investors [1]