S&P 500 ends slightly down after mixed earnings, opening glitch

Go back to S&P 500 ends slightly down after mixed earnings, opening glitch
PowerShares QQQ Trust, Series 1 (NASDAQ: QQQ) Delayed: 739.42 -8.04 (1.08%)
Previous Close $747.46    52 Week High $119.66 
Open $746.97    52 Week Low $94.84 
Day High $747.13    P/E N/A 
Day Low $738.19    EPS $0.00 
Volume 20,171,335       

S&P DEP RECEIPTS (NYSE: SPY) Delayed: 767.36 -6.02 (0.78%)
Previous Close $773.38    52 Week High $219.60 
Open $772.79    52 Week Low $181.02 
Day High $773.05    P/E N/A 
Day Low $766.50    EPS $0.00 
Volume 20,529,068