* CME raises Comex 5000 Silver Futures margins by 17.9% * Silver hasn't topped out just yet-analyst * U.S. commodities regulator monitoring silver markets activity
https://www.reuters.com/article/idUSL1N2K802C
* CME raises Comex 5000 Silver Futures margins by 17.9% * Silver hasn't topped out just yet-analyst * U.S. commodities regulator monitoring silver markets activity
https://www.reuters.com/article/idUSL1N2K802C