Cheaper rivals target Singapore's aviation maintenance sector

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AAR CORP. (NYSE: AIR) Delayed: 141.86 -7.16 (4.8%)
Previous Close $149.02    52 Week High $36.64 
Open $148.89    52 Week Low $18.36 
Day High $149.73    P/E 96.50 
Day Low $141.41    EPS $1.47 
Volume 310,682       

CORPORATE EXECUTIVE BOARD CO (NYSE: CEB) Delayed: 78.75 --0 (-0%)
Previous Close $78.75    52 Week High $78.21 
Open $0.00    52 Week Low $47.33 
Day High $78.75    P/E 83.78 
Day Low $78.75    EPS $0.94 
Volume 241,069       

Carbo Ceramics, Inc. (NASDAQ: RR) Delayed: 1.64 +0.03 (1.86%)
Previous Close $1.61    52 Week High $8.48 
Open $1.62    52 Week Low $7.13 
Day High $1.67    P/E 0.73 
Day Low $1.56    EPS $2.24 
Volume 2,607,032       

Sigma-Aldrich (NASDAQ: SIAL) Delayed: 139.76 --0 (-0%)
Previous Close $139.76    52 Week High $140.03 
Open $6.22    52 Week Low $135.62 
Day High $139.76    P/E 34.42 
Day Low $139.76    EPS $4.06 
Volume 291,617