Benzinga's Top ETF Gainers, February 18th (AGA, AGQ, SIL, SMN)

PowerShares DB Agriculture Double Short ETN AGA jumped 5.10% today, and closed at $16.07. Wheat futures struggled today, and dropped more than 3%. ProShares Ultra Silver (ETF) AGQ continued to move higher on Friday, and it closed 4.93% higher. This was the second trading session in a row that ProShares Ultra Silver (ETF) (AGQ) closed higher. Global X Silver Miners SIL gained 2.53% in the regular trading session, and it added 1.21% in the after hours. Silver Wheaton Corp. (USA) SLW spiked 6.58% today, and Pan American Silver Corp. (USA) PAAS gained 6.84% in the regular session, and it added 2.19% in the after hours. ProShares UltraShort Basic Materls (ETF) SMN jumped 2.41% today, and it closed at $17.41. Freeport-McMoRan Copper & Gold Inc. FCX is a component of the Dow Jones U.S. Basic Materials Index, and it fell 4.15% today.