Northrop misses sales estimates, shares tumble

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Northrop Grumman Corp. (NYSE: NOC) Delayed: 526.66 --0 (-0%)
Previous Close $526.66    52 Week High $253.09 
Open $526.66    52 Week Low $175.00 
Day High $526.66    P/E 63.07 
Day Low $526.66    EPS $8.35 
Volume 552