Benzinga's Top ETF Decliners, May 18th (AGA, ZSL, ERY, SOXS, TVIX)

PowerShares DB Agriculture Double Short ETN AGA fell 7.16% on Wednesday as grains traded higher on the news that analysts have lowered their estimates of French wheat harvest. ProShares UltraShort Silver (ETF) ZSL dropped 6.80% today as silver traded higher. ZSL closed at $19.73, and it had a volume of 19.28M traded shares. Direxion Daily Energy Bear 3X Shares(ETF) ERY lost 5.92% as Halliburton Company HAL gained 3.60%, and Tesoro Corporation TSO added 4.31%. Direxion Daily Semiconductor Bear 3X Shares SOXS dropped 5.49%, and it closed at $55.76. In the space, Analog Devices, Inc. ADI spiked 5.89%. VelocityShares Daily 2x VIX Short Term ETN TVIX traded 5.40% lower today, and closed at $21.88. This was the second trading session in a row that TVIX traded lower.