黄金概念板块领跌，下跌1.48%

Group 1 - The gold concept sector experienced a decline of 1.48% on July 31 [1] - Northern Copper fell by 3.72%, while Hunan Silver decreased by 3.65% [1] - Shengda Resources dropped by 3.5%, and both Western Mining and Luoyang Molybdenum saw declines exceeding 2% [1]