- Silver Price Slides After CME Hikes Margins Again The Wall Street Journal
- Gold, silver prices fall after CME raises precious metals margins — again CNBC
- CME Hikes Precious-Metal Margins Again After Price Swings Bloomberg.com
- Gold Sinks $200, Silver -14% from China’s Christmas Chaos BullionVault
- Silver is rebounding after its worst trading day in four years. Here’s what is behind the move. CBS News
