The weakness is weighing on broad alternative energy ETFs as well. The PowerShares WilderHill Clean Energy Portfolio (PBW) is off more than 1% in afternoon trading.
ProShares UltraShort 20+ Year Treasury Bond ETF (TBT) -0.9%
Major U.S. stock market indices are sitting in positive territory, with the Dow Jones Industrial Average flirting with the 13,000 level. However, investors are unwilling to unload their exposure to safe-haven long-term U.S. treasuries.
It has been a mixed week for TBT, which has retreated to its 50-day moving average.All prices as of 2:12 PM EST