Core Points - Yunnan Copper Industry Co., Ltd. plans to issue shares to acquire 40% of Liangshan Mining Co., Ltd. from Yunnan Copper (Group) Co., Ltd. and raise matching funds for this transaction [1] - The company's stock was suspended from trading starting May 13, 2025, and the board provided an analysis of stock price fluctuations prior to the suspension [1][2] Stock Price Fluctuation Summary - The cumulative stock price increase for the company over the 20 trading days before the suspension was 9.30% [1] - After excluding the impact of the Shenzhen Composite Index, the adjusted price change was -0.59% [1] - After excluding the impact of the CSI Nonferrous Metals Index, the adjusted price change was 0.94% [1] - The cumulative price fluctuation did not exceed 20% during the specified period [2]
云南铜业: 董事会关于本次交易信息公布前公司股票价格波动情况的说明