Nasdaq closes higher ahead of a heavy week of earnings

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PowerShares QQQ Trust, Series 1 (NASDAQ: QQQ) Delayed: 705.15 -20.05 (2.76%)
Previous Close $725.20    52 Week High $119.66 
Open $713.61    52 Week Low $94.84 
Day High $715.43    P/E N/A 
Day Low $705.08    EPS $0.00 
Volume 28,420,088       

S&P DEP RECEIPTS (NYSE: SPY) Delayed: 762.58 -10.51 (1.36%)
Previous Close $773.09    52 Week High $219.60 
Open $766.37    52 Week Low $181.02 
Day High $767.71    P/E N/A 
Day Low $762.10    EPS $0.00 
Volume 21,348,923