More Volume and Volatility for Silver ETFs on Bin Laden, Margin Hike

Silver exchange traded funds (ETFs) bounced in late-morning trade, paring some of their earlier losses as investors weighed the impact of the death of al-Qaeda leader Osama bin Laden and a margin hike for silver futures. Still, iShares Silver Trust (NYSEArca: SLV) was down more than 2% at last...