Berkshire Hathaway buys more Occidental shares, stake rises to 23.1%

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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: 57.10 --0 (-0%)
Previous Close $57.10    52 Week High $78.48 
Open $57.10    52 Week Low $58.24 
Day High $57.10    P/E 7.78 
Day Low $57.10    EPS $7.34 
Volume 51,662