Berkshire Hathaway stake in Occidental Petroleum rises to 23.6%

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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: 59.17 +0.55 (0.94%)
Previous Close $58.62    52 Week High $78.48 
Open $58.56    52 Week Low $58.24 
Day High $59.59    P/E 8.06 
Day Low $58.13    EPS $7.34 
Volume 6,047,517