A股黄金概念股涨幅扩大，湖南白银涨停，白银有色涨超7%

Group 1 - The A-share market sees an expansion in the gains of gold concept stocks, with Hunan Silver hitting the daily limit, and Silver Nonferrous rising over 7% [1] - Fuda Alloy, Zijin Mining, and Yuguang Gold Lead all increased by over 4% [1] - Pengxin Resources and Guiyan Platinum Industry rose by over 3% [1]