The CME hikes margin levels on silver by 17% to $18.9K. It's the 4th bump in the last 8...

|By:, SA News Editor

The CME hikes margin levels on silver by 17% to $18.9K. It's the 4th bump in the last 8 sessions. At current  prices, $18.9K is roughly 10% of the nominal value of a contract. A $1 move in silver - massive in normal times, a slow day in Spring 2011 - is a $5K change in the contract's value.