Silver prices remain volatile, but the tone toward the metal remains negative, especially as recent economic data suggests a possible slowing of industrial demand.

FORBES: METALS OUTLOOK: Mixed Outlook For Gold Next Week

Metal industries report negative growth expectations for everything except new graduate hiring, which is expecting a moderate budgetary increase.

FORBES: 2013 R&D Spending Outlook: Mildly Optimistic and Stable

No one would ever redeem the silver certificates for the metal because of this negative difference between the face value and melt value.

FORBES: A Gold Standard Is Big Oil's Best Defense Against Political Attack