Benzinga's Top ETF Decliners (UYM, SLX, UCO, XME)

ProShares Ultra Basic Materials (ETF) (NYSE: UYM) closed 3.43% lower today, along with basic materials stocks like Freeport-McMoRan Copper & Gold Inc. (NYSE: FCX) and Nucor Corporation (NYSE: NUE). FCX fell 4.18%, and NUE dropped 2.37% in today's trading session. Market Vectors Steel (ETF) (NYSE: SLX) was also struggling today, just like Rio Tinto plc (ADR) (NYSE: RTP) and Vale (ADR) (NYSE: VALE). SLX fell 3.26%, while Rio Tinto (RTP) and VALE dropped 2.90% and 4.14% respectively. ProShares Trust ProShares Ultra DJ-UBS Crude Oil (NYSE: UCO) fell 3.19%, as crude oil lost almost 2%. UCO closed at $9.40, and had a volume of 3.61M shares. SPDR S&P Metals and Mining (ETF) (NYSE: XME) fell 3.12% and closed at $47.46. Its objective is to replicate total return performance of the S&P Metals and Mining Select Industry Index.