Wall St mixed ahead of economic data; CPI in focus

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PowerShares QQQ Trust, Series 1 (NASDAQ: QQQ) Delayed: 720.87 -2.16 (0.3%)
Previous Close $723.03    52 Week High $119.66 
Open $722.39    52 Week Low $94.84 
Day High $724.67    P/E N/A 
Day Low $720.33    EPS $0.00 
Volume 25,245,939       

S&P DEP RECEIPTS (NYSE: SPY) Delayed: 773.03 -0.23 (0.03%)
Previous Close $773.26    52 Week High $219.60 
Open $772.60    52 Week Low $181.02 
Day High $775.05    P/E N/A 
Day Low $771.62    EPS $0.00 
Volume 38,830,771