Investors React to Suspected Terrorist Attack at Boston Marathon

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American Science and Engineering, Inc. (NASDAQ: ASEI) Delayed: 37.05 --0 (-0%)
Previous Close $37.05    52 Week High $44.81 
Open $23.31    52 Week Low $22.63 
Day High $37.05    P/E 24.22 
Day Low $37.05    EPS $1.53 
Volume 1,953,799       

Delta Air Lines (NYSE: DAL) Delayed: 85.70 -1.89 (2.16%)
Previous Close $87.59    52 Week High $52.77 
Open $87.00    52 Week Low $32.60 
Day High $87.23    P/E 6.98 
Day Low $85.67    EPS $12.28 
Volume 4,605,176       

US Airways Group, Inc. (NYSE: LCC) Delayed: 22.55 --0 (-0%)
Previous Close $22.55    52 Week High $25.49 
Open $22.55    52 Week Low $12.65 
Day High $22.55    P/E 7.78 
Day Low $22.55    EPS $2.90 
Volume 2,943,499       

Magal Security Systems Ltd (NASDAQ: MAGS) Delayed: 55.65 --0 (-0%)
Previous Close $55.65    52 Week High $5.50 
Open $55.65    52 Week Low $3.93 
Day High $55.65    P/E 142.69 
Day Low $55.65    EPS $0.39 
Volume 3,077,577       

OSI Systems, Inc. (NASDAQ: OSIS) Delayed: 218.73 -11.14 (4.85%)
Previous Close $229.87    52 Week High $96.75 
Open $226.47    52 Week Low $48.19 
Day High $226.65    P/E 97.21 
Day Low $218.52    EPS $2.25 
Volume 162,636       

UNITED CONTINENTAL HOLDINGS, Inc. (NASDAQ: UAL) Delayed: 118.72 -3.54 (2.9%)
Previous Close $122.26    52 Week High $62.94 
Open $120.82    52 Week Low $37.41 
Day High $121.21    P/E 81.32 
Day Low $118.61    EPS $1.46 
Volume 2,673,702