US energy firms add oil and gas rigs for sixth time

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Michael Baker Corp. (NASDAQ: BKR) Delayed: 57.83 +0.58 (1.01%)
Previous Close $57.25    52 Week High $41.41 
Open $57.17    52 Week Low $17.84 
Day High $58.20    P/E 64.26 
Day Low $56.60    EPS $0.90 
Volume 7,974,827       

UNITED STATES NATURAL GAS FUND, LP UNIT (NYSE: UNG) Delayed: 10.26 -0.15 (1.44%)
Previous Close $10.41    52 Week High $10.08 
Open $10.30    52 Week Low $5.78 
Day High $10.40    P/E N/A 
Day Low $10.23    EPS $0.00 
Volume 21,349,564       

United States Oil Fund (NYSE: USO) Delayed: 148.16 -5.66 (3.68%)
Previous Close $153.82    52 Week High $13.50 
Open $148.88    52 Week Low $7.67 
Day High $149.71    P/E 7.51 
Day Low $146.64    EPS $19.73 
Volume 5,543,532