S&P 500, Nasdaq notch biggest weekly losses since March

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SPDR DOW JONES INDUSTRIAL AVERAGE ETF TRUST (NYSE: DIA) Delayed: 518.01 -1.33 (0.26%)
Previous Close $519.34    52 Week High $189.39 
Open $517.06    52 Week Low $154.38 
Day High $518.38    P/E N/A 
Day Low $515.19    EPS $0.00 
Volume 1,645,128       

PowerShares QQQ Trust, Series 1 (NASDAQ: QQQ) Delayed: 687.66 +6.57 (0.96%)
Previous Close $681.09    52 Week High $119.66 
Open $684.39    52 Week Low $94.84 
Day High $688.69    P/E N/A 
Day Low $683.18    EPS $0.00 
Volume 19,261,982       

S&P DEP RECEIPTS (NYSE: SPY) Delayed: 756.46 +4.36 (0.58%)
Previous Close $752.10    52 Week High $219.60 
Open $752.73    52 Week Low $181.02 
Day High $757.07    P/E N/A 
Day Low $752.39    EPS $0.00 
Volume 16,515,171