The Wall Street Journal's John Spence devoted Friday's
Fund
Track column on the top ETF and ETN performers during the month ended August 13. Spence notes that short-oil funds and ETFs tracking financial and home-builder sectors -- two weak sectors for the first half of the year -- have been among the top performers amid the correction in commodity prices.
Spence mentioned five
PowerShares products that have gone up by at least 30 percent over the past month, including
PowerShares DB Crude Oil Double Short ETN and
PowerShares DB Agriculture Double Short ETN.
Also getting a mention were
KBW Regional Banking and
SPDR S&P Homebuilders ETF, gaining 26.8 percent and 25.4 percent. 
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