Cheaper rivals target Singapore's aviation maintenance sector

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AAR CORP. (NYSE: AIR) Delayed: 145.25 +1.86 (1.30%)
Previous Close $143.39    52 Week High $36.64 
Open $145.46    52 Week Low $18.36 
Day High $147.13    P/E 98.81 
Day Low $143.99    EPS $1.47 
Volume 250,135       

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: 1.80 +0.08 (4.65%)
Previous Close $1.72    52 Week High $8.48 
Open $1.73    52 Week Low $7.13 
Day High $1.82    P/E 0.80 
Day Low $1.73    EPS $2.24 
Volume 5,753,170       

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