Wall St set for higher open but weekly losses loom

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SPDR DOW JONES INDUSTRIAL AVERAGE ETF TRUST (NYSE: DIA) Delayed: 530.58 +3.51 (0.67%)
Previous Close $527.07    52 Week High $189.39 
Open $530.03    52 Week Low $154.38 
Day High $530.61    P/E N/A 
Day Low $529.43    EPS $0.00 
Volume 342,293       

PowerShares QQQ Trust, Series 1 (NASDAQ: QQQ) Delayed: 711.34 +0.41 (0.06%)
Previous Close $710.93    52 Week High $119.66 
Open $715.23    52 Week Low $94.84 
Day High $715.39    P/E N/A 
Day Low $711.31    EPS $0.00 
Volume 3,804,550       

S&P DEP RECEIPTS (NYSE: SPY) Delayed: 765.15 +2.55 (0.33%)
Previous Close $762.60    52 Week High $219.60 
Open $766.05    52 Week Low $181.02 
Day High $766.15    P/E N/A 
Day Low $764.62    EPS $0.00 
Volume 3,829,616