Wall Street falls as Middle East concerns offset earnings optimism

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SPDR DOW JONES INDUSTRIAL AVERAGE ETF TRUST (NYSE: DIA) Delayed: 517.49 -2.29 (0.44%)
Previous Close $519.78    52 Week High $189.39 
Open $522.48    52 Week Low $154.38 
Day High $522.55    P/E N/A 
Day Low $516.51    EPS $0.00 
Volume 1,672,209       

PowerShares QQQ Trust, Series 1 (NASDAQ: QQQ) Delayed: 744.66 +3.19 (0.43%)
Previous Close $741.47    52 Week High $119.66 
Open $740.98    52 Week Low $94.84 
Day High $746.60    P/E N/A 
Day Low $740.93    EPS $0.00 
Volume 17,758,838       

S&P DEP RECEIPTS (NYSE: SPY) Delayed: 773.05 -0.45 (0.06%)
Previous Close $773.50    52 Week High $219.60 
Open $774.03    52 Week Low $181.02 
Day High $775.14    P/E N/A 
Day Low $772.57    EPS $0.00 
Volume 15,065,423