Active broad market exchange traded funds in Friday’s pre market session SPDR S&P 500 ETF Trust ( SPY ) 1.7% VIX Short Term Futures ETN Ipath ( VXX ) +7% PowerShares QQQ Trust, Series 1 ( QQQ ) 2.1%
ETF Preview: ETFs, Futures Point to Another Weak Open as Crude Sinks Below $30 A Barrel Again; Street Mulls Earnings, Econ Data
