Caterpillar sales soar, warns of margin pressure

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Caterpillar Inc. (NYSE: CAT) Delayed: 877.33 +47.30 (5.70%)
Previous Close $830.03    52 Week High $95.50 
Open $922.00    52 Week Low $56.36 
Day High $935.00    P/E 152.58 
Day Low $866.85    EPS $5.75 
Volume 2,766,075