Benzinga's Top ETF Decliners, February 2nd

ProShares UltraShort DJ-UBS Natural Gas

dropped 13.54% on Thursday, and it closed at $88.32. Natural gas traded higher today, after a government report showed that natural gas supplies decreased last week. VelocityShares Daily 2x VIX Short Term ETN

fell 5.90% today, and it closed at $15.94. This was the second trading session in a row that TVIX closed lower. ProShares UltraShort Silver (

)

lost 3.71% as silver jumped above $34. ZSL closed at $9.86, and it had a volume of 8.17M traded shares. ProShares UltraShort FTSE/Xinhua China 25

traded 2.53% lower in today's trading session. CNOOC Limited (

)

is a component of the FTSE China 25 Index, and it gained 1.07%.