快讯：现货白银持续下跌 失守81美元/盎司 日内跌超7%

Group 1 - The core point of the article is that spot silver prices have continued to decline, falling below $81 per ounce, with a daily drop exceeding 7% [2][5]. Group 2 - The article highlights the ongoing trend in the silver market, indicating significant volatility and a bearish sentiment among investors [2][5].