云南铜业成交额创上市以来新高

Group 1 - Yunnan Copper's trading volume reached 3.715 billion RMB, marking a new high since its listing [1] - The latest stock price increased by 3.02%, with a turnover rate of 9.27% [1] - The previous trading day's total trading volume was 2.897 billion RMB [1] Group 2 - Yunnan Copper Co., Ltd. was established on May 15, 1998, with a registered capital of 2.00362831 billion RMB [1]