The price of silver has hit a 22-year high, surpassing $11 (£6.3) an ounce amid expectations that the metal will perform better than stocks and bonds.
The price of silver has risen 58% over the past year
The precious metal has risen 15% in the past month as the US is expected to permit a new fund linked to the price of silver.
Silver futures for May delivery were up 8.5 cents, or 0.8%, to $11.20 on New York's Mercantile Exchange.
Silver has risen 58% over the past year and gold hit a 25-year high last month.
US regulators are expected to approve the listing of the iShares Silver Trust, a fund linked to the price of silver, which is backed by Barclay's Capital.
The US is not the only place where silver is gaining interest.
The Middle East launched its first silver futures contract on the Dubai Metals and Commodities Exchange earlier this week.