上纬新材一月内股价累计涨超1300% 上交所两度重点监控

Core Viewpoint - The stock price of Upwind New Materials (688585, SH) has surged by 1320.05% from July 9, 2025, to August 5, 2025, leading to significant trading volatility and scrutiny from the Shanghai Stock Exchange [1] Group 1 - The stock price fluctuations have triggered multiple instances of abnormal trading alerts from the Shanghai Stock Exchange, with key monitoring initiated on July 25 and August 1 [1] - The recent volatility in stock price is primarily attributed to an announcement made on July 8 regarding a proposed change in control of the company [1] - Shanghai Zhiyuan New Technology Co., Ltd. plans to acquire at least 63.62% of Upwind New Materials' shares through a combination of agreement transfer and tender offer [1]