Benzinga's Top ETF Gainers, April 19th (XIV, EDC, UYM, UNG)

VelocityShares Daily Inverse VIX Short Term ETN (NYSE: XIV) jumped 5.11% on Tuesday, and closed at $152.53. It had a volume of 495K traded shares, and its average volume is 107K shares. Direxion Daily Emerging Markets Bull 3x Shares(

) (NYSE:

) gained 3.66% as Petroleo Brasileiro SA (ADR) (NYSE:

) added 2.09%, and closed at $37.09. ProShares Ultra Basic Materials (

) (NYSE:

) added 3.34% today. Freeport-McMoRan Copper & Gold Inc. (NYSE:

) is a component of the Dow Jones U.S. Basic Materials Index, and it gained 2.19%. United States Natural Gas Fund, LP (NYSE:

) traded higher on Tuesday, along with natural gas futures. United States Natural Gas Fund, LP (

) gained 3.33%, and closed at $11.16.