Berkshire Hathaway boosts stake in Occidental Petroleum to about 28%

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MiddleBrook Pharmaceuticals, Inc. (NASDAQ: BRK) Delayed: 0.30 +0.12 (66.67%)
Previous Close $0.18    52 Week High $0.41 
Open $0.21    52 Week Low $0.21 
Day High $0.41    P/E N/A 
Day Low $0.21    EPS $-0.96 
Volume 2,875       

Occidental Petroleum (NYSE: OXY) Delayed: 51.82 -1.22 (2.3%)
Previous Close $53.04    52 Week High $78.48 
Open $52.40    52 Week Low $58.24 
Day High $52.42    P/E 7.06 
Day Low $51.19    EPS $7.34 
Volume 13,871,796