Tech stock rebound faces doubters with earnings season ahead

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PowerShares QQQ Trust, Series 1 (NASDAQ: QQQ) Delayed: 717.51 --0 (-0%)
Previous Close $717.51    52 Week High $119.66 
Open $717.51    52 Week Low $94.84 
Day High $717.51    P/E N/A 
Day Low $717.51    EPS $0.00 
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