Benzinga's Top ETF Decliners, December 2nd (SCO, JO, GAZ, RSX)

ProShares UltraShort DJ-UBS Crude Oil ETF

fell 2.08% on Friday as crude oil continued its uptrend. SCO closed at $37.73, and it had a volume of 1.19M traded shares. iPath Dow Jones-UBS Coffee Subindex Total Return ETN

dropped 2.05% today as coffee traded lower. This was the second trading session in a row that JO closed lower. iPath Dow Jones-UBS Natural Gas Subindex Total Return ETN

lost 1.66%, and it closed at $11.92 on Friday as natural gas front month futures fell 1.70%. Market Vector Russia ETF Trust

traded 1.66% lower today, and closed at $30.29. It had a volume of 4.99M traded shares, and its average volume is 5.32M shares.