Group 1 - The core point of the article highlights a significant drop in gold prices, leading to a collective decline in Hong Kong's gold stocks [1] - The spot gold price surged past $4,380, reaching a historical high, before experiencing a sudden drop below $4,280 [2] Group 2 - Specific declines in gold stocks include: - Zhumeng Gold (珠峰黄金) down 10.53% to 2.040, with a market cap of 2.525 billion and a year-to-date increase of 1,059.09% [2] - Lingbao Gold (灵宝黄金) down 4.83% to 19.110, with a market cap of 24.594 billion and a year-to-date increase of 623.01% [2] - China Silver Group (中国白银集团) down 4.71% to 0.810, with a market cap of 2.198 billion and a year-to-date increase of 243.22% [2] - Jihai Resources (集海资源) down 3.95% to 1.700, with a market cap of 4.08 billion and a year-to-date increase of 104.82% [2] - Tongguan Gold (潼关黄金) down 2.59% to 3.010, with a market cap of 13.237 billion and a year-to-date increase of 529.71% [2] - China Gold International (中国黄金国际) down 1.90% to 134.300, with a market cap of 53.238 billion and a year-to-date increase of 232.60% [2] - Zijin Mining (紫金矿业) down 1.15% to 32.640, with a market cap of 867.492 billion and a year-to-date increase of 140.08% [2] - Zhaojin Mining (招金矿业) down 0.49% to 32.220, with a market cap of 114.136 billion and a year-to-date increase of 195.45% [2]