Wall St mixed ahead of economic data; CPI in focus

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PowerShares QQQ Trust, Series 1 (NASDAQ: QQQ) Delayed: 742.37 -3.67 (0.49%)
Previous Close $746.04    52 Week High $119.66 
Open $739.52    52 Week Low $94.84 
Day High $744.20    P/E N/A 
Day Low $738.83    EPS $0.00 
Volume 21,023,598       

S&P DEP RECEIPTS (NYSE: SPY) Delayed: 777.77 -0.33 (0.04%)
Previous Close $778.10    52 Week High $219.60 
Open $777.34    52 Week Low $181.02 
Day High $778.75    P/E N/A 
Day Low $775.95    EPS $0.00 
Volume 15,008,304