Futures: LME copper was closed overnight. The SHFE copper 2506 contract opened at 77,400 yuan/mt overnight, touched a high of 77,490 yuan/mt at the beginning of the session, then fluctuated downward to a low of 76,640 yuan/mt, and finally closed at 76,760 yuan/mt, up 0.41%, with a trading volume of 45,721 lots and open interest of 164,089 lots.