Benzinga's Top ETF Gainers, May 18th (DAG, AGQ, ERX, SOXL)

PowerShares DB Agriculture Double Long ETN DAG spiked 7.59% as analysts lowered their estimates for French harvest. DAG closed at $14.66, and it had a volume of 1.01M traded shares. It's average volume is 486K shares. ProShares Ultra Silver (ETF) AGQ gained 7.05%, and it closed at $172.85. This was the second consecutive trading session that DAG closed higher. Direxion Daily Energy Bull 3X Shares(ETF) ERX jumped 5.91% today as Halliburton Company HAL gained 3.60%, and Chevron Corporation CVX added 2.44%. Direxion Daily Semiconductor Bull 3X Shares SOXL traded 5.64% higher today, and it closed at $56.58. In the semiconductor space, Analog Devices, Inc. ADI spiked 5.89%.