Wall St closes higher as vaccine update feeds optimism

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Pfizer Inc. (NYSE: PFE) Delayed: 27.61 -0.04 (0.14%)
Previous Close $27.65    52 Week High $37.39 
Open $27.80    52 Week Low $28.25 
Day High $27.85    P/E 16.73 
Day Low $27.53    EPS $1.65 
Volume 3,145,340       

PowerShares QQQ Trust, Series 1 (NASDAQ: QQQ) Delayed: 715.88 +7.19 (1.01%)
Previous Close $708.69    52 Week High $119.66 
Open $715.68    52 Week Low $94.84 
Day High $716.93    P/E N/A 
Day Low $713.93    EPS $0.00 
Volume 5,983,440       

S&P DEP RECEIPTS (NYSE: SPY) Delayed: 765.20 +7.37 (0.97%)
Previous Close $757.83    52 Week High $219.60 
Open $764.72    52 Week Low $181.02 
Day High $765.99    P/E N/A 
Day Low $764.23    EPS $0.00 
Volume 7,011,303