The price of silver reached an all-time high this month. While it has benefited from the same forces lifting gold and other precious metals, such as safe-haven demand and trade tensions, silver's rally isn’t just a copycat move. So what caused prices to peak? And what does it say about our reliance on this precious metal? CNBC Explains producer Gaelle Legrand breaks it down. Watch the full explainer here: cnb.cx/44J2BFH | CNBC International