Silver may appeal to investors over gold because it is less expensive, and still gives portfolio diversification while mitigating the impact of a weak U.S. dollar. Yet silver can behave differently than gold because it has industrial uses. [Silver ETFs Lead Decline in Precious Metals for Second Day]

Silver prices topped out at around $50 an ounce earlier this year.

PowerShares DB Silver Fund

Tisha Guerrero contributed to this article.

Full disclosure: Tom Lydon’s clients own GLD and SLV.

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